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Exyrias akihito Allen & Randall, 2005

Akihito's goby
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Exyrias akihito   AquaMaps   Data sources: GBIF OBIS
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Exyrias akihito
Picture by Randall, J.E.

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

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Exyrias: Derived from Greek, xyreo = to shave (Ref. 45335)akihito: Named for the Emperor of Japan; noun in apposition.
Eponymy: Emperor Akihito of Japan (d: 1933) is noted for his many contributions to goby systematics and phylogenetic research. [...] (Ref. 128868), visit book page.
More on authors: Allen & Randall.

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

関連する礁; 深さの範囲 10 - 50 m (Ref. 57733). Tropical

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

Western Pacific: Yaeyama Is., southern Japan to the Great Barrier Reef, Australia.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 11.1 cm SL オス/雌雄の選別がない; (Ref. 57733)

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) : 10; 肛門の骨: 1; 臀鰭: 9. Diagnosis: Color generally light bluish grey in life with small yellow to brownish orange spots on the head and body, those on body mostly conjoined to form longitudinal stripes along scale rows; 4 pairs of dark brown spots on lower side of body, followed by a single spot at the caudal-fin base; a few smaller dark brown spots on body, mostly in a row dorsally and one ventrally; dorsal and caudal fins are covered with numerous, relatively large, orangish to yellowish brown spots. Pectoral rays 17; segmented caudal-fin rays 17; branched caudal-fin rays typically 13, rarely 12, 14 or 15; dorsal-fin spines elongate and filamentous, the second one the longest 1.59-2.07 in SL. Longitudinal scale series 28 (28-30).

生物学     用語集 (例 epibenthic)

Usually found in clear water in the vicinity of coral reefs, usually on sand or rubble bottoms (Ref. 57733). Solitary (Ref. 90102).

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

Allen, G.R. and J.E. Randall, 2005. Exyrias akihito, a new species of coral-reef goby (Gobiidae) from the Western Pacific. Raffles Bull. Zool. 53(2):231-235. (Ref. 57733)

IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)

  軽度懸念 (LC) ; Date assessed: 15 August 2023

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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インターネットの情報源

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Estimates based on models

Preferred temperature (Ref. 123201): 25.3 - 28.9, mean 27.7 °C (based on 290 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.1   ±0.4 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).