Top 10 most downloaded papers in 2025 (number of downloads)

1) AA2020-5 (745)	2) AA2025-22 (562)	3) AA2023-1 (312)	4) AA2025-44 (300)	5) AA2025-12 (299)
6) AA2023-21 (256)	7) AA2025-32 (238)	8) AA2019-9 (221)	9) AA2025-18 (217)	10) AA2025-45 (211)

Aquatic Animals
ISSN: 2434-8643		Previous volumes	vol. 2019	vol. 2020	vol. 2021	vol. 2022	vol. 2023
Home			vol. 2024
Latest volume	vol. 2025
Original article
High salinity tolerance during the parasitic period for glochidia of the Freshwater unionid mussel Beringiana beringiana from Hokkaido in experimental tanks
Itoh, T., Kakino, W., Narita, M., Takeuchi, M.
1 January 2025	AA2025-1
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-1
Original article
First records of Macrobrachium grandimanus (Randall, 1840) and M. lepidactyloides (De Man, 1892) (Crustacea, Decapoda, Palaemonidae) from Honshu Island, Japan
Inui, N., Fuke, Y., Maruyama, T.
5 January 2025	AA2025-2
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-2
Original article
Zooplankton communities in late spring: A case study from Sado Island
Chowdhury, P., Iida, M.
10 January 2025	AA2025-3
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-3
Original article
Nucleotide sequence divergence of the androgenic gland hormone gene in the common freshwater shrimp Palaemon paucidens species complex
Chow, S., Yanagimoto, T.
1 February 2025	AA2025-4
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-4
Original article
Utilization of living and dead tree stumps and root surroundings as nesting sites by the red-clawed crab Chiromantes haematocheir
Toyota, K., Matsukura, K., Iida, M., Toyoda, M., Abe, H.
7 February 2025	AA2025-5
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-5
Short paper
Intron size variation observed in a ribosomal protein gene among three Diadema species in the western North Pacific
Chow, S., Yanagimoto, T.
10 February 2025	AA2025-6
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-6
Original article
First specimen-based records of Pseudovelia esakii Miyamoto, 1959 (Hemiptera: Veliidae) from 10 prefectures in Honshu and Shikoku, Japan
Yamakawa, U., Kanamori, S., Yarita, M., Yamashita, R., Moriguchi, H., Uchida, D.
10 February 2025	AA2025-7
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-7
Original article
Further notes on some subtidal crabs (Crustacea: Decapoda: Brachyura) from Suruga Bay, the Pacific coast of central Japan
Takeda, M., Takakura, H.
1 March 2025	AA2025-8
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-8
Original article
Records of the hermit crabs and their parasites, bopyrid isopods in Dogo, Oki Islands
Toyota, K., Tsunoda, K., Kuwahara, R., Ogawa, S., Itokazu, M., Shinoda, H.
3 March 2025	AA2025-9
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-9
Original article
Morphological and histological analyses of ovary and pelvic fin structures in the deep-sea jellynose fish, Guentherus katoi
Kobayashi, Y., Miyazaki, Y.
4 March 2025	AA2025-10
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-10
Short paper
Biological notes on Makassaritanais itoi (Ishimaru, 1985) (Crustacea: Peracarida: Tanaidacea)
Kakui, K.
6 March 2025	AA2025-11
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-11
Original article
Occurrence record of freshwater jellyfish Craspedacusta sowerbii in Yanase Dam, Shikokuchuo City, Ehime Prefecture
Toyota, K., Kondo, Y., Kobayashi, C.
2 April 2025	AA2025-12
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-12
Original article
Records of aquatic insects (Hemiptera and Coleoptera) overwintering in agricultural ditches and ponds in the rice terraces of western Hyogo Prefecture, Japan
Fukuoka, T., Watanabe, R., Kubo, S., Tamura, R., Kobayashi, K., Ohba, S.
3 April 2025	AA2025-13
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-13
Original article
Seasonal changes in composition of zooplankton communities along the coast of Sado Island in the Sea of Japan
Chowdhury, P, Iida, M.
12 April 2025	AA2025-14
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-14
Original article
Host records for fish parasite family Cymothoidae (Crustacea: Isopoda)
Okumura, Y., Fujita, H.
8 May 2025	AA2025-15
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-15
Short paper
Notes on “Medaeops granulosus (Haswell, 1882)” (Crustacea: Decapoda: Brachyura) from the Okinawa Islands, Central Ryukyus, Japan
Maenosono, T.
8 May 2025	AA2025-16
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-16
Original article
Maturation of Takifugu alboplumbeus in the southern part of Osaka Bay
Inoue, H., Kajimura, M., Tsuchida, K., Hirashima, K.
15 May 2025	AA2025-17
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-17
Original article
The northernmost record of sea urchin Diadema setosum (Echinodermata: Echinoidea) from Fukushima Prefecture
Kohtsuka, H., Harumoto, Y., Ishikawa, T.
15 May 2025	AA2025-18
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-18
Data paper
EPIC-PCR for ribosomal protein gene introns: a case study in Thunnus tuna species
Chow, S., Yanagimoto, T.
1 June 2025	AA2025-19
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-19
Short paper
Captive spawning of cone snails, Conus fulmen and Conus pulicarius (Gastropoda: Neogastropoda: Conidae)
Otani, A., Fujino, K., Sanda, T., Dan, S., Hamasaki, K.
1 June 2025	AA2025-20
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-20
Short paper
Record of two lineages in the invasive tubeworm Ficopomatus enigmaticus at Yagura-Ryokuchi, Osaka Bay, Japan
Kobayashi, G.
4 June 2025	AA2025-21
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-21
Original article
Habitat status of Gyrinus curtus Motschulsky, 1866 (Coleoptera, Gyrinidae) in rivers inhabited by endangered sticklebacks “Musashi-tomiyo” in Saitama, Japan
Uchida, D., Iwata, Y.
6 June 2025	AA2025-22
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-22
Original article
Dietary effects of Artemia, rotifers, and their combination on larval survival and duration in the terrestrial hermit crab Coenobita cavipes (Decapoda: Anomura: Coenobitidae)
Murakami, Y., Hamasaki, K., Dan, S.
24 June 2025	AA2025-23
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-23
Short paper
Species determination of a juvenile spiny lobster collected in Usujiri, Hakodate, Hokkaido, Japan in 2023 during record-breaking heatwave by morphological and nucleotide sequence analyses
Kamio, M., Sasaki, A., Sasaki, J., Yanagimoto, T., Chow, S.
28 June 2025	AA2025-24
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-24
Original article
Record of eight new host species for glochidia of the freshwater unionid mussel Buldowskia iwakawai in captivity
Itoh, T., Kakino, W., Dan, S.
6 July 2025	AA2025-25
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-25
Original article
Habitat characteristics of adult icefish (Salangichthys microdon) during the spawning season in the littoral zone of a freshwater lake, Kitaura, eastern Japan
Okamoto, H., Ishitsuka, T., Omori, K., Yamazaki, K., Usui, S., Kanou, K.
7 July 2025	AA2025-26
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-26
Taxonomic notes
Additional record of Trissoplax dentata (Stimpson, 1858) (Goneplacoidea: Euryplacidae) from Okinawa Island, Ryukyu Islands, Japan
Maenosono, T.
10 July 2025	AA2025-27
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-27
Short paper
Floating behaviors of Japanese freshwater snail Semisulcospira libertina observed under captive conditions
Itoh, T., Karimata, Y.
19 July 2025	AA2025-28
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-28
Original article
Some remarkable crabs (Crustacea: Decapoda: Brachyura) from Japan largely in the Nagai Collection of the Wakayama Prefectural Museum of Natural History
Takeda, M.
21 July 2025	AA2025-29
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-29
Short paper
First report of Paranthura japonica Richardson, 1909 (Crustacea: Isopoda: Paranthuridae) from Okinawa, Japan
Shiraki, S., Kakui, K.
24 July 2025	AA2025-30
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-30
Short paper
Freshwater shrimp, Paratya compressa collected in a coastal river of Iwate Prefecture, Japan
Shioneri, M., Takeuchi, M., Nitou, K.
8 August 2025	AA2025-31
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-31
Original article
First record of the non-native fish Coreoperca kawamebari in Nagano Prefecture from a pond in the Tenryu River system, and an analysis of its stomach contents
Fujita, S., Anzai, S.
8 August 2025	AA2025-32
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-32
Short paper
Relationship between test diameter and age of the purple sea urchin, Heliocidaris crassispin in the Seto Inland Sea
Inoue, M., Wakabayashi, K.
16 August 2025	AA2025-33
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-33
Original article
Subterranean crustaceans from Shizu River along to the Ryusendo Cave, Japan
Ohta, M., Motomura, Y., Munakata, M., Ando, K., Watanabe, S.
1 September 2025	AA2025-34
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-34
Original article
A preliminary study on larval culture and metamorphosis of the cone snail Conus fulmen: Effects of microalgal prey, biofilm, and reduced salinity
Otani, A., Fujino, K., Dan, S., Hamasaki, K.
5 September 2025	AA2025-35
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-35
Short paper
Record of megalopa of Percnon guinotae Crosnier, 1965 (Crustacea: Decapoda: Brachyura: Percinidae) collected at the mouth of Ago Bay
Hiraoka, R., Furuta, H., Hirata, A.
20 September 2025	AA2025-36
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-36
Original article
Effects of temperature on embryonic survival and development in the xanthid crab Atergatis floridus under laboratory conditions
Yabuki, K., Hamasaki, K., Sanda, T., Shimizu, S., Dan, S.
21 September 2025	AA2025-37
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-37
Original article
Size at settlement completion of yellow goosefish Lophius litulon
Ishikawa, T., Nakaya, M., Eno, Y., Takatsu, T., Maki, S., Hirano, H., Sato, D., Noro, K.
28 September 2025	AA2025-38
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-38
Original article
Complete mitochondrial DNA sequences of an endemic subspecies of white-spotted charr, Salvelinus leucomaenis japonicus (Oshima, 1961), in Japan
Arai, Y., Saruwatari, T., Sato, N., Yokoyama, C., Iuchi, K., Hisatomi, H.
3 October 2025	AA2025-39
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-39
Original article
Records of two species of flagtails (Kuhliidae: Kuhlia) collected from Hachijo-jima Island, Izu Islands, Tokyo Metropolis, Japan
Oyama, D., Fukatani, M.
12 October 2025	AA2025-40
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-40
Short paper
Development and application of an alternative feed for Pelagiidae jellyfish
Nakanishi, T.
13 October 2025	AA2025-41
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-41
Original article
An illustrated microscopic study on structural and functional characteristics of olfactory neuroepithelium of Labeo rohita (Ham.)
Mukherjee, R., Saikia, S. K.
16 October 2025	AA2025-42
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-42
Original article
Two aegid isopods (Crustacea) recorded off Rausu, Nemuro Strait of Hokkaido, northern Japan
Hibino, M., Saito, N.
22 October 2025	AA2025-43
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-43
Original article
Occurrence of Silhouettea dotui (Gobiidae) in the mouth of the Ohura River, Minami-satsuma, Kagoshima, Japan, with notes on the grooves structure around their spawning nests
Koreeda, R., Motomura, H.
22 October 2025	AA2025-44
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-44
Original article
DNA barcoding of the Japanese water treaders (Hemiptera: Mesoveliidae), with note of molecular phylogeny
Nakajima, J., Ooi, K., Watanabe, K., Hayashi, M.
29 October 2025	AA2025-45
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-45
Original article
Morphological study of laboratory reared first and second zoeal stages of Latreutes mucronatus (Stimpson, 1860)(Crustacea: Decapoda: Caridea: Hippolytidae)
Ghory, F. S
31 October 2025	AA2025-46
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-46
Memorial article
In memory of the Japanese great mollusk scientist, Dr. Takashi Okutani
Kubodera, T.
4 November 2025	AA2025-47
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-47
Memorial article
Memorial tribute to Professor Takashi Okutani (1931–2025)
Bower, J. R.
4 November 2025	AA2025-48
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-48
Memorial article
En memoria del Profesor Okutani
Yamashiro, C.
4 November 2025	AA2025-49
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-49
Memorial article
On the earliest record of the character '烏賊' (squid) in the Engishiki: In honor of Professor Okutani
Nonoyama, H.
4 November 2025	AA2025-50
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-50
Memorial article
Remembering Dr. Okutani through the Japanese names of squid–Around the Argentine shortfin squid and the neon flying squid–
Sakai, M.
4 November 2025	AA2025-51
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-51
Memorial article
Professor Okutani, oh Professor Okutani
Naito, Y.
4 November 2025	AA2025-52
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-52
Origial article
Heterobranch sea slugs of Hitachinaka, Ibaraki Prefecture, Japan
Sato, H.
9 November 2025	AA2025-53
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-53
Short paper
Record of a Chinese lineage specimen of the loach Misgurnus anguillicaudatus in Okayama City, western Japan
Moriuchi, K., Nakajima, J., Hamada, M., Taniguchi, R., Nakata, K.
27 November 2025	AA2025-54
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-54
Origial article
First record of the alien loach, Misgurnus mohoity (Cypriniformes: Cobitidae) collected from Tokyo, Honshu, Japan
Nakajima, J., Oyama, D., Ooi, K., Konta, A., Yoshimoto, K.
4 December 2025	AA2025-55
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-55
Short paper
New distributional record of Microvelia horvathi Lundblad, 1933 (Hemiptera, Veliidae) from Yamagata Prefecture and Akita Prefecture, Japan
Uchida, D, Takano, T., Iwata, Y., Osafune, Y.
10 December 2025	AA2025-56
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-56
Origial article
Prediction of the candidate sex-determining gene in Atlantic mackerel Scomber scombrus Linnaeus, 1758
Nakamura, Y.
11 December 2025	AA2025-57
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-57
Short paper
Nucleotide sequence determination of hepatocyte growth factor (HGF) mRNA sequence and its expression in various organs of white-spotted charr Salvelinus leucomaenis
Arai, Y., Matoba, H. M., Saruwatari, T., Sato, N., Yokoyama, C., Iuchi, K., Hisatomi, H.
12 December 2025	AA2025-58
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-58
Short paper
Palaemon parvibrachium (Crustacea: Decapoda) from Lake Hamana, Shizuoka Prefecture, Japan
Suematsu, T., Kato, S.
13 December 2025	AA2025-59
https://doi.org/10.34394/aquaticanimals.2025.0_AA2025-59