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Eleotris sahanaensis Mennesson, Keith & Feunteun, 2020

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Eleotris sahanaensis
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> Gobiiformes (Gobies) > Eleotridae (Bully sleepers)
Etymology: Eleotris: The name of a Nile fish, eleotris (Ref. 45335);  sahanaensis: Named after the Sahana River, type locality, where many species of Eleotris were found (Ref. 123271).

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

; 新鮮な水 底生の. Tropical

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Africa: Sahana and Andrepona rivers in Madagascar (Ref. 123271).

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL オス/雌雄の選別がない; (Ref. 123271)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 7; 背鰭 (合計) : 8 - 9; 肛門の骨: 1; 臀鰭: 8 - 9. Diagnosis: Eleotris sahanaensis is distinguished by second and fourth suborbital free neuromast rows on cheek extending ventrally past horizontal row 'd' ('2.4' pattern), row 'os' not connected with row 'oi' at ventro-posterior margin of operculum ('open' pattern); 15 pectoral fin rays; no teeth on vomer; 54-55 scales in lateral series and 29-30 scales in predorsal series (Ref. 123271). Within the pattern '2.4' group, E. sahanaensis differs from E. acanthopomus in having 15 pectoral fin rays vs. 16-17, 10 scales in zigzag series vs. 11-14, and 29-30 scales in predorsal series vs. 30-42; it differs from E. vomerodentata by the absence of teeth in the vomer vs. presence; it differs from E. pellegrini by a smaller head length, 30-32% of standard length vs. 31-37%, and fewer scales in zigzag series, 10 vs. 10-12 (Ref. 123271).

生物学     用語集 (例 epibenthic)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生

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Mennesson, M.I. and P. Keith, 2020. Eleotris (Teleostei: Eleotridae) of the Indian Ocean: an overview with the description of three new species. Cybium 44(3):185-203. (Ref. 123271)

IUCNのレッドリストの状況は (Ref. 130435)

  評価されなかった 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
栄養段階 (Ref. 69278):  3.3   ±0.3 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).