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Hippocampus abdominalis  Lesson, 1827

Big-belly seahorse
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Image of Hippocampus abdominalis (Big-belly seahorse)
Hippocampus abdominalis
Female picture by Lourie, S.A.

分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

条鰭類 > Syngnathiformes (Pipefishes and seahorses) > Syngnathidae (Pipefishes and seahorses) > Hippocampinae
Etymology: Hippocampus: Greek, ippos = horse + Greek,kampe = curvature (Ref. 45335).

環境 / 気候 / 範囲 生態学

; 海; 汽水性の 底生の; 移住性ではない; 深さの範囲 0 - 104 m (Ref. 52034).   Temperate, preferred ?; 24°S - 50°S, 80°E - 120°W (Ref. 52034)

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Southwest Pacific: Australia and New Zealand. Vulnerable (Ref. 30915). Occurrence in Thailand and the Philippines (Ref. 43081) needs verification. International trade is monitored through a licensing system (CITES II, since 5.15.04) and a minimum size of 10 cm applies.

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm 8.7  range ? - ? cm
Max length : 35.0 cm OT オス/雌雄の選別がない; (Ref. 6787); common length : 18.0 cm OT オス/雌雄の選別がない; (Ref. 9003)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0; 背鰭 (合計): 25-31; 肛門の骨 0; 臀鰭: 4.

生物学     用語集 (例 epibenthic)

Found in large rock pools at low tide. They remain motionless amidst seaweed. Juveniles are pelagic (Ref. 30915) or attached to drifting seaweeds (Ref. 31838). Feed on minute crustaceans (e.g. copepods and amphipods). Nocturnal (Ref. 9003). Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205). Seen in groups at night. Also around jetties and other man-made objects; attached to sponges and colonial hydroids in deeper water (Ref. 30915). Length measurements refer to height (= TL - head length). This is the largest seahorse species in southeastern Australia, and has more dorsal fin rays and tail rings than any other seahorse (Ref. 31838). Sold locally and internationally for the aquarium trade (Ref. 31838). Dried and sold to the Oriental medicine trade as a tonic and aphrodisiac (Ref. 5316, 34026).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Several subsequent broods are carried by the male in a brood pouch during the spawning season. Do not obviously pair, as other seahorses do (Ref. 30915). Fertilised eggs deposited by females in the pouch of males are incubated for about four weeks before hatching (Ref. 31838). Hatching occurs at night, coinciding with full moon periods during summer months (Ref. 31838). Young emerge from the pouch and immediately rise to the surface where they grasp floating debris with their tail (Ref. 31838).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Lourie, S.A., A.C.J. Vincent and H.J. Hall, 1999. Seahorses: an identification guide to the world's species and their conservation. Project Seahorse, London. 214 p. (Ref. 30915)

IUCNのレッドリストの状況は (Ref. 115185)

CITES (Ref. 94142)

人間に対する脅威

  Harmless




Human uses

水産業: 興味がない; 水族館・水槽: 商業
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