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条鰭類 >
Perciformes (Perch-likes) >
Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Ptereleotris: Greek, pteron = wing, fin + The name of a Nile fish, eleotris (Ref. 45335); randalli: Named for John E. Randall.
環境 / 気候 / 範囲
生態学
; 海 関連する礁; 深さの範囲 8 - 60 m (Ref. 84213). Tropical, preferred ?
Southwest Atlantic: endemic to Brazil.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 8.7 cm SL オス/雌雄の選別がない; (Ref. 84213); 4.9 cm SL (female)
簡単な記述
形態学 | 形態計測学
背面の脊椎 (合計): 7; 背鰭 (合計): 22-24; 肛門の骨 1; 臀鰭: 21 - 23. This species is distinguished from its Atlantic congeners by having the following characters: dorsal and anal fins with bright orange-yellow submarginal bands; second dorsal and anal fins comparatively low, slightly elevated anteriorly; short caudal fin, 5ht and 6th rays prolonged as filaments; short pelvic fins, about the same length as pectorals (Ref. 84213).
Used in the aquarium trade under the name Opistognathus leitoso. The population is declining fast in some areas of the Brazilian coast (mainly off the States of Espirito Santo and Bahia) due to commercial exploration of the calcareous algae banks. This species hovers over its burrow feeding on plankton and dives headfirst in to the burrow when threatened. Found usually over sandy bottom close to reefs, but also common over sand patches as small as 10 cm in diameter, enclosed by rocky areas or in calcareous algae (Lithothamnion sp.) banks (Ref. 84213).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Gasparini, J.L., L.A. Rocha and S.R. Floeter, 2001. Ptereleotris randalli n. sp., a new dartfish (Gobioidei: Microdesmidae) from the Brazilian coast. Aqua. J. Ichthyol. Aquat. Biol. 4(3):109-114. (Ref. 84213)
CITES (Ref. 94142)
Not Evaluated
Human uses
水族館・水槽: 商業
より多くの情報
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度
参考文献水産養殖水産養殖の紹介緊張遺伝子の対立遺伝子頻度遺伝病気行列Mass conversion
協力者画像Stamps, Coins音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
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