Coelorinchus posteromaculatus, Tailspotted grenadier

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Coelorinchus posteromaculatus Nakayama, Prokofiev & Kawai, 2020

Tailspotted grenadier
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Image of Coelorinchus posteromaculatus (Tailspotted grenadier)
No image available for this species;
drawing shows typical species in Macrouridae.

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

> Gadiformes (Cods) > Macrouridae (Grenadiers or rattails)
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335);  posteromaculatus: Name from Latin 'posteromaculatus' for adjectives 'posterior' meaning further back or hinder and 'maculatus' meaning spotted; referring to the species’ characteristic dark blotch on the anterior part of the tail..

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

海 深海魚; 深さの範囲 100 - 323 m (Ref. 123275). 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

Eastern Indian Ocean.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 22.0 cm TL オス/雌雄の選別がない; (Ref. 123275)

簡単な記述 形態学 | 形態計測学

This species is distinguished by the following characters: small, intense, longitudinally elongate, lateral, dark blotch on the anterior part of tail; light organ tubular and externally represented by long black streak covered with scales, extending from immediately in front of anus to chest just posterior to isthmus; underside of head is completely naked except for overlapping scales behind lateral nasal ridges; dorsal surface of snout broadly naked along each side of median rostral ridge; snout long, sharply pointed, its length 74–91% postrostral length (PRL), its dorsal profile gently concave in lateral view; terminal scute long, spearhead shaped, dorsoventrally flattened, with length 16–24% PRL when complete; lateral nasal ridge incompletely supported by nasal bone; anus abutting anal-fin origin; premaxillary teeth small, slender, conical in long, narrow, tapered band, and none distinctly enlarged; posterior margin of the tooth band almost reaching lateral corner of mouth; body scales covered with short, erect, slender spinules in widely divergent rows; spinules in each row completely free from one another, forming comb-like ridge; buttresses of spinules are poorly developed; second dorsal fin distinctly lower than anal fin; upper-jaw length 38–43% PRL; preoral length 65–82% PRL; length of gill slit 21–24% PRL; barbel length 9–14% PRL. Colouration: a slightly diagonal, narrow, dark stripe extending from upper margin of gill opening to below first dorsal-fin midbase or beyond; a faint, diagonal, dark stripe extending from pectoral-fin base to above anal-fin origin; median nasal bone is blackish; underside of head generally pale, without small, blackish, hair-like papillae; lips pale to dusky; front of premaxillary ascending process dusky to dark; oral cavity immaculate; gular and branchiostegal membranes heavily peppered; chest dark; first dorsal fin dusky to dark, with second spinous ray prominently blackish; pelvic fin dusky; pelvic fin heavily peppered (Ref. 123275).

生物学     用語集 (例 epibenthic)

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 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 : Iwamoto, Tomio | 協力者

Nakayama, N., A.M. Prokofiev and T. Kawai, 2020. Coelorinchus posteromaculatus (Actinopterygii, Gadiformes, Macrouridae), a new species of grenadier from the eastern Indian Ocean. Ichthyol. Res. 67:465-472. (Ref. 123275)

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

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
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餌
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共通名の
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放精
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体長-重さ
Length-length
体長組成
形態計測学
形態学
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幼生の動力
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参考文献
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音
シガテラ（食中毒の名前）
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Otoliths
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用具

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インターネットの情報源

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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].
Bayesian length-weight: a=0.00251 (0.00128 - 0.00492), b=3.19 (3.03 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.4   ±0.5 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (12 of 100).