Gymnocephalus ambriaelacus

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Gymnocephalus ambriaelacus Geiger & Schliewen, 2010

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Gymnocephalus ambriaelacus
Female picture by Geiger, M.F.

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

> Perciformes/Percoidei (Perchs) > Percidae (Perches) > Percinae
Etymology: Gymnocephalus: Greek, gymnos = naked + Greek, kephale = head (Ref. 45335);  ambriaelacus: The specific name name is the Latin translation "of the lake of the Ammer region", "ambriae" being the genitive of the latinized Celtic word for Ammer region, i. e. ambro, and "lacus" being the genitive of lacus, the Latin word for lake. Lake Ammersee is known historically as "Ambriae Lacus" (Graesse 1909). A noun in apposition..

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

; 新鮮な水 底生の漂泳性. Temperate

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

Europe: endemic to Lake Ammersee, upper Danube basin in southern Germany.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 11.7 cm SL オス/雌雄の選別がない; (Ref. 84545)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 14 - 16; 背鰭 (合計): 10-12; 肛門の骨 2; 臀鰭: 5 - 6. Distinguished from Gymnocephalus cernua by having smaller angle between the posterior dorsal fin margin and the caudal peduncle (90-110° vs. 113-154°), larger eye diameter (10.2-12.3 % SL vs. 7.9-10.5 % SL) and an irregular pattern of large dorsolateral dark blotches vs. a pattern of small dots. Differs from Gymnocephalus cernua by having a deeper body (26.1-33.6 % SL vs. 20.1-30.7 % SL), longer base of the spinous part of the dorsal fin (36.1-41.9 % SL vs. 28.8-39.6 % SL) and higher mean and modal number of dorsal fin spines (modal 15 vs 14). Diagnosed from Gymnocephalus baloni by the combination of the following characters: larger eye diameter (10.2-12.3 % SL vs. 8.2-10.5 % SL), smaller caudal peduncle depth (7.7-8.9 % SL vs. 7.4-10.1 % SL), higher mean and modal number of pectoral fin rays (15 vs. 13) and a steeper convex dorsal profile of the snout (Ref. 84545).

生物学     用語集 (例 epibenthic)

Ripe females were collected in shallow water between 3-5 m depth in May and spawned immediately in captivity (Ref. 84545). Eggs, measuring ~1 mm in diameter, were observed on the bottom and were only weakly adhesive, but some of them were floating (Ref. 84545).

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

Geiger, M.F. and U.K. Schliewen, 2010. Gymnocephalus ambriaelacus, a new species of ruffe from Lake Ammersee, southern Germany (Teleostei, Perciformes, Percidae). Spixiana 33(1):119-137. (Ref. 84545)

IUCNのレッドリストの状況は (Ref. 125652)

  絶滅寸前の危機的状況 (CR) (B1ab(v)); Date assessed: 24 August 2010

CITES

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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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00484 - 0.02482), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this Subfamily-BS (Ref. 93245).
栄養段階 (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .