Preliminary results on the reproduction of a deep-sea snailfish Careproctus rhodomelas around the active hydrothermal vent on the Hatoma Knoll, Okinawa, Japan

Deep‐sea snailfish Careproctus rhodomelas were collected from an active hydrothermal vent using a remotely operated vehicle (R.O.V. Hyper‐dolphin) and a pressurized device (Deep‐Aquarium). Careproctus rhodomelas exhibited a cystovarian‐type ovary containing a small number of developing oocytes at di...

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Published in:Journal of fish biology 2010-11, Vol.77 (7), p.1709-1715
Main Authors: Takemura, A., Tamotsu, S., Miwa, T., Yamamoto, H.
Format: Article
Language:English
Subjects:
Animals
Careproctus
Chorionic Gonadotropin - pharmacology
Ecosystem
Estradiol - analysis
Estradiol - metabolism
Female
Fishes - physiology
histology
Humans
hydrothermal vent
Japan
Liparidae
oestradiol-17β
Oocytes - cytology
Oocytes - drug effects
Oocytes - metabolism
ovary
Pacific Ocean
R.O.V. Hyper-dolphin
Reproduction - physiology
Reproductive Control Agents - pharmacology
Rhodomela
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cited_by cdi_FETCH-LOGICAL-c5049-f45e9cdbe7ede6bcc7b734377d04987757d9e3005d49c078ca02d4408b1390d53
cites cdi_FETCH-LOGICAL-c5049-f45e9cdbe7ede6bcc7b734377d04987757d9e3005d49c078ca02d4408b1390d53
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container_issue 7
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container_title Journal of fish biology
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creator Takemura, A.
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Miwa, T.
Yamamoto, H.
description Deep‐sea snailfish Careproctus rhodomelas were collected from an active hydrothermal vent using a remotely operated vehicle (R.O.V. Hyper‐dolphin) and a pressurized device (Deep‐Aquarium). Careproctus rhodomelas exhibited a cystovarian‐type ovary containing a small number of developing oocytes at different stages, suggesting that the fish is a batch‐spawner that spawns large eggs (c. 6·0 mm) several times within its life span. In vitro culture of the oocytes in the presence of human chorionic gonadotropin showed that oestradiol‐17β production fluctuated with oocyte development, suggesting that the oocytes were at the vitellogenic stage.
doi_str_mv 10.1111/j.1095-8649.2010.02789.x
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Hyper‐dolphin) and a pressurized device (Deep‐Aquarium). Careproctus rhodomelas exhibited a cystovarian‐type ovary containing a small number of developing oocytes at different stages, suggesting that the fish is a batch‐spawner that spawns large eggs (c. 6·0 mm) several times within its life span. 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Hyper‐dolphin) and a pressurized device (Deep‐Aquarium). Careproctus rhodomelas exhibited a cystovarian‐type ovary containing a small number of developing oocytes at different stages, suggesting that the fish is a batch‐spawner that spawns large eggs (c. 6·0 mm) several times within its life span. 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source Wiley-Blackwell Read & Publish Collection
subjects Animals
Careproctus
Chorionic Gonadotropin - pharmacology
Ecosystem
Estradiol - analysis
Estradiol - metabolism
Female
Fishes - physiology
histology
Humans
hydrothermal vent
Japan
Liparidae
oestradiol-17β
Oocytes - cytology
Oocytes - drug effects
Oocytes - metabolism
ovary
Pacific Ocean
R.O.V. Hyper-dolphin
Reproduction - physiology
Reproductive Control Agents - pharmacology
Rhodomela
title Preliminary results on the reproduction of a deep-sea snailfish Careproctus rhodomelas around the active hydrothermal vent on the Hatoma Knoll, Okinawa, Japan
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