Homatula laxiclathra

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Homatula laxiclathra Gu & Zhang, 2012

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drawing shows typical species in Nemacheilidae.

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

> Cypriniformes (Carps) > Nemacheilidae (Brook loaches)
Etymology: Homatula: Greek, homos, homoios = similar + Greek, atylos, atylotos = without callosities;  laxiclathra: Name from the combination of Latin words laxus (wide) and clathrus (barred), alluding the presence of wider vertical bars on each side of body; an adjective.

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

; 新鮮な水 底生の.   Subtropical

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

Asia: Yellow River drainage in Shaanxi, China.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 13.7 cm SL オス/雌雄の選別がない; (Ref. 88693)

簡単な記述 形態学 | 形態計測学

Homatula laxiclathra is similar to H. variegate, H. berezowskii, and H. longidorsalis in the shared presence of slender bodies with uniform depth [9.3–15.8% (mean 12.5) SL], a character distinguishing them from all remaining species of this genus where they have deeper bodies [13.6–23.9% (mean 16.6) SL] and their body depth evenly decreases posterior to the posterior end of the dorsal-fin base. The new species differs from H. variegata, H. berezowskii, and H. longidorsalis in having vertical brown bars on the caudal peduncle twice as wide as (vs. much narrower or slightly wider than) their interspaces. This new species, along with H. berezowskii, is further distinguished from H. variegata and H. longidorsalis by the presence of a shorter head (length 15.6–21.1% SL vs. 18.3–25.3), a shallower caudal peduncle (depth 8.4–11.4% SL vs. 9.6–13.6), a shorter adipose crest along the dorsal midline of the caudal peduncle anteriorly not extending to the midway of the analfin base (vs. extending beyond the vertical through the anal-fin origin), a scaleless (vs. partially scaled) predorsal body, and an intestine with (vs. without) a loop or bend behind the stomach. It is further distinct from H. berezowskii in having an oblique (vs. truncate) posterior margin of the caudal fin, and a narrower interorbital space [width 19.9–24.9 (average 22.5)% HL vs. 24.1–29.7 (average 27.0)]. The new species has an intestine with a loop anteriorly reaching the posterior surface of the U-shaped stomach, whereas the other related species do not have a loop at this portion of the intestine (Ref. 88693).

生物学     用語集 (例 epibenthic)

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

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

Gu, J.-H. and E. Zhang, 2012. Homatula laxiclathra (Teleostei: Balitoridae), a new species of nemacheiline loach from the Yellow River drainagein Shaanxi Province, northern China. Environ. Biol. Fishes online (Ref. 88693)

IUCNのレッドリストの状況は (Ref. 123251)


CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

より多くの情報

国々
国連食糧農業機関の区域
エコシステム
事件
導入
Stocks
生態学

食品種目概要について
摂食量
定量
共通名の
類義語
代謝
捕食動物
生態毒性
繁殖
成熟
放精
卵の集合体
生産力

卵の開発
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
BRUVS
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
Nutrients
Mass conversion
協力者
画像
Stamps, Coins Misc.

シガテラ(食中毒の名前)
速度
泳ぐ 型式
カマ
Otoliths

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インターネットの情報源

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00383 - 0.01892), b=2.93 (2.74 - 3.12), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  2.7   ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  手段, 1.4年~4.4年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
弱み (Ref. 59153):  Low to moderate vulnerability (31 of 100) .