Psilorhynchus gokkyi Conway & Britz, 2010

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Psilorhynchus gokkyi
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drawing shows typical fish in this Family.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii 輻鰭魚綱 (條鰭魚) > Cypriniformes (Carps) 鯉形目 (Carps) > Psilorhynchidae (Mountain carps) 裸吻魚科 (Mountain carps)
Etymology: Psilorhynchus: Greek, psilos = hairless + Greek, rhyngchos = snout (Ref. 45335);  gokkyi: Named for Gokkyi, a small village above the type locality, to honor the hospitality and help extended to the second author during his collection trip in November 2009. A noun in apposition.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 底中水層性.   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Asia: Pani Chaung, Ayeyarwaddy River drainage in Myanmar.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 5.6 cm SL 雄魚/尚未辨別雌雄; (Ref. 85329)

簡短描述 型態特徵 | 形態測量圖

背的軟條 (總數): 12-13; 臀鰭軟條: 7 - 8; 脊椎骨: 34. Distinguished from all its congeners by the possession of a deep notch situated at the level of the ethmoid region, visible as a square step-like division between the snout and the head in lateral view and a deep groove in dorsal view. Can be further diagnosed from other congeners by the following combination of characters: snout length 51-57% HL; ventral surface between paired fins with a broad triangular scale-less patch; dorsal fin with branched rays 9-10; pectoral fin with 5-6 unbranched rays; caudal fin with 10+9 rays; scales on lateral line 32-34; lateral sides of body marked with 6 indistinct round to squarish dark brown blotches, arranged in a longitudinal row; dorsal saddles deep, extending 3-4 scale rows downwards from dorsal surface, in contact with the round to squarish dark brown blotches, arranged in a longitudinal row on flank; caudal fin with an irregular pigmentation pattern, most prominent along lower lobe (Ref. 85329).

生物學特性     字彙 (例如 epibenthic)

Found in a swift-flowing stream with dense bank and overhanging vegetation, and a substrate of sand, gravel and small boulders (Ref. 85329).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Conway, K.W. and R. Britz, 2010. Three new species of Psilorhynchus from the Ayeyarwaddy River drainage, Myanmar (Teleostei: Psilorhynchidae). Zootaxa 2616:31-47. (Ref. 85329)

IUCN 瀕危狀態 (Ref. 120744)

  資料不足 (DD) ; Date assessed: 10 February 2011

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00180 - 0.00965), b=3.16 (2.95 - 3.37), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.0   ±0.4 se; Based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 ().
瀕危性 (Ref. 59153):  Low vulnerability (10 of 100) .