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Grallenia arenicola Shibukawa & Iwata, 2007

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drawing shows typical species in Gobiidae.

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> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Grallenia: Named for Gerald R. Allen, (G+R+Allen+suffix '-ia'), in honor of his great contribution to our knowledge of the diversity of coral-reef fishes.;  arenicola: Named for its sandy-bottom dwelling habit; Latin 'arena for sand and 'colo' for 'I inhait'..

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

海 関連する礁; 深さの範囲 10 - 50 m (Ref. 75132). Tropical

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North Pacific: Japan.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 1.9 cm SL オス/雌雄の選別がない; (Ref. 75132); 2.3 cm SL (female)

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) : 7 - 8; 肛門の骨: 1; 臀鰭: 7 - 8; 脊つい: 27 - 28. This species is characterized by the following: second dorsal-fin rays I, 7-8 (usually I, 7); anal-fin rays I, 7-8 (usually I, 7); vertebrae 10+17-18=27 (usually 10+17=27); dorsal-fin spines not elongated in either sex; second dorsal fin does not reach the caudal-fin base when adpressed, length of longest ray 14.0-17.6% of SL; length of longest ray of anal fin 8.9-13.3% of SL; scales on body extending anteriorly to just behind pectoral-fin base; weak, low pelvic frenum; length of pectoral fin 20.7-25.9% of SL; caudal-peduncle length 24.6-28.6% of SL; cephalic sensory canals with pores C' (unpaired), D (unpaired), E and F'; orange line absent on dorsal fins (Ref. 75132).

生物学     用語集 (例 epibenthic)

Found to be solitary on sandy bottom, around boulders or rocky reefs (Ref. 75132).

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

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Shibukawa, K. and A. Iwata, 2007. Grallenia, a new goby genus from the western Pacific, with descriptions of two new species (Perciformes: Gobiidae: Gobiinae). Bull. Natl. Mus. Nat. Sci., Ser. A, Suppl. 1:123-136. (Ref. 75132)

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 = 0.5039   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00333 - 0.01504), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.1   ±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).