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Pycnochromis alleni (Randall, Ida & Moyer, 1981)

Allen's chromis
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Pycnochromis alleni
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分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa

> Ovalentaria/misc (Various families in series Ovalentaria) > Pomacentridae (Damselfishes) > Chrominae
Etymology: More on authors: Randall, Ida & Moyer.

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

海 関連する礁; 移住性ではない; 深さの範囲 10 - 30 m (Ref. 559). 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

Northwest Pacific: Miyake-jima, Bonin Islands of Japan and south to Taiwan.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL オス/雌雄の選別がない; (Ref. 7247)

簡単な記述 検索表 | 形態学 | 形態計測学

背面の脊椎 (合計) : 11 - 12; 背鰭 (合計) : 12 - 13; 肛門の骨: 2; 臀鰭: 12 - 13. Overall color is brown with a prominent black spot on the base of the pectoral fin. Caudal fin and peduncle white.

生物学     用語集 (例 epibenthic)

Adults inhabit coral or rocky outer reefs (Ref. 7247). Diurnal species (Ref. 52881). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

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

Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).

主な参考文献 Upload your references | 参考文献 | コーディネーター : Allen, Gerald R. | 協力者

Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)

IUCNのレッドリストの状況は (Ref. 130435)

  軽度懸念 (LC) ; Date assessed: 16 November 2010

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): 21.6 - 26.6, mean 23.5 °C (based on 14 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00940 - 0.04644), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.4   ±0.45 se; based on food items.
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).