Choerodon skaiopygmaeus, Western pygmy tuskfish

Choerodon skaiopygmaeus Gomon, 2017

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

> Eupercaria/misc (Various families in series Eupercaria) > Labridae (Wrasses) > Bodianinae
Etymology: Choerodon: Greek, choiros = a pig + odous = teeth (Ref. 45335); referrring to the prominent anterior canines of the species in this genus (Ref. 116605);  skaiopygmaeus: Name from Greek adjectives 'skaios' for western and 'pygmaios' for pygmy, referring to the distribution of this dwarf tuskfish in the western Indian Ocean off Somalia..

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

; 海 底生の; 深さの範囲 25 - 60 m (Ref. 116605). 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 Indian Ocean, Somalia.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 13.8 cm SL オス/雌雄の選別がない; (Ref. 116605)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 12; 背鰭 (合計): 8; 肛門の骨 3; 臀鰭: 10; 脊つい: 27. This species is distinguished by the following characters: D XII,8; A III,10; pectoral fin rays ii,13, the dorsalmost ray very short, 9.5-14.1% pectoral fin length and the ventralmost ray distinctly longer than those immediately above, posterior edge of fin falcate, dorsoposterior corner bluntly pointed, posteroventral corner sharply pointed; shallow body, 31.0-34.3% SL, head depth 24.3-28.5% SL, caudal peduncle depth 11.7-13.0% SL; bluntly pointed head, dorsal profile of snout is moderately steep, snout length 10.3-13.1% SL; predorsal scales approximately 6, reaching forward on dorsal midline almost to above posterior edge of preopercle; cheek has small partially embedded scales in about 3 or 4 diagonal rows, posteriormost with about 7 or 8 scales to upper extent of free preopercular edge, reaching ventrally to the level of posterior corner of upper jaw and forward little if at all beyond posterior extent of orbit, with very broad naked margin ventrally on preopercle; 1-3 rows of about 6-8 small scales (only 1 or 2 scales in second of 2 rows when present) on subopercle adjacent preopercular edge extending forward to about midpoint of ventral preopercular margin; each lateral line scale has a single pore on laterosensory canal tube; scales above lateral line about 2½-3; numerous cephalic sensory canal pores are scattered on top of head and anteroventral to eye and apparently not confined to lines or short branches associated with major canals; second pair of canines in lower jaw is directed dorsolaterally and curved laterally; dorsal and anal fins without basal sheath, additional small scale at top the of some oblique rows; posterior lobe of dorsal and anal fins not reaching hypural crease; caudal fin is truncate, often with posterior margin slightly convex medially; pelvic fin reaching to or just short of the anus, length 19.6-22.8% SL; colour uniformly pale in preservation except for the dusky horizontal stripe from just below lateral line under 8th dorsal fin spine to just beyond posterior end of dorsal fin near top of caudal peduncle (Ref. 116605).

生物学     用語集 (例 epibenthic)

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 : Westneat, Mark | 協力者

Gomon, M.F., 2017. A review of the tuskfishes, genus Choerodon (Labridae, Perciformes), with descriptions of three new species. Memoirs of Museum Victoria 76:1-111. (Ref. 116605)

IUCNのレッドリストの状況は (Ref. 125652)


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
Stocks
生態学

食品種目概要について
摂食量
定量
共通名の
類義語
代謝
捕食動物
生態毒性
繁殖
成熟
放精
卵の集合体
生産力

卵の開発
Age/Size
成長
体長-重さ
Length-length
体長組成
形態計測学
形態学
幼生
幼生の動力
補充
豊度
BRUVS
参考文献
水産養殖
水産養殖の紹介
緊張
遺伝子の
対立遺伝子頻度
遺伝
病気
行列
Nutrients
Mass conversion
協力者
画像
Stamps, Coins Misc.

シガテラ(食中毒の名前)
速度
泳ぐ 型式
カマ
Otoliths

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00572 - 0.02903), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.3   ±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).