分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Actinopteri > Eupercaria/misc
(Various families in series Eupercaria) 鱸形目 (Various families in series Eupercaria)
(Wrasses) 隆頭魚科 (Wrasses)
Etymology: Choerodon: Greek, choiros = a pig + odous = teeth (Ref. 45335); referrring to the prominent anterior canines of the species in this genus (Ref. 116605); cypselurus: Name from the Greek 'kypselos' for swallow and 'oura' for tail, referring to the characteristic
swallowtail-like caudal fin of this species, differs from those in other members of the C. azurio clade within this genus..
Environment: milieu / climate zone / depth range / distribution range
Western Central Indian Ocean: Seychelles, Saya de Malha Bank.
大小 / 重量 / 年齡
Maturity: Lm ?  range ? - ? cm
Max length : 23.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 116605)
型態特徵 | 形態測量圖
背棘 (總數): 12; 背的軟條 (總數): 8; 臀棘 3; 臀鰭軟條: 10; 脊椎骨: 27. Diagnosis. D XII,8; A III,10; pectoral fin rays ii,14 (rarely 15), dorsalmost ray moderate length 30.7-30.9% pectoral fin length, ventralmost rays shorter than those above, posterior edge of fin obliquely straight, dorsoposterior corner bluntly pointed, posteroventral corner angular; deep body 39.8-40.7% SL, head depth 29.2-31.2% SL, caudal peduncle depth 12.2-13.0% SL; blunt head, dorsal profile of snout moderately steep, snout length 12.2-15.8% SL; predorsal scales approximately 5 and reaching forward on dorsal midline to or just in advance of posterior edge of preopercle; cheek is partially covered by small, mostly embedded scales in about 8 vertical rows, the posteriormost with about 10 scales to upper extent of free preopercular edge, reaching forward almost to corner of upper lip crease, with broad naked margin posteriorly and ventrally on preopercle; subopercle has a row of about 10 large embedded scales adjacent ventral edge of preopercle extending forward to just short of below anterior extent of free ventral preopercular edge; each lateral line scale has an unbranched laterosensory canal tube; scales above the lateral line about 2½; cephalic sensory canal pores are moderately numerous confined to lines or short branches associated with major canals; a second pair of canines in lower jaw is directed dorsolaterally and slightly posteriorly; dorsal and anal fins with very low basal sheath comprising 1-3 progressively smaller accessory scales at the deepest; posterior lobe of dorsal and anal fins almost reaching the hypural crease; caudal fin double emarginate, the upper and lower lobes distinctly but not greatly produced, posterior margin of fin concave, smoothly curved; pelvic fin reaching anus, length 21.4-22.4% SL; colour uniformly pale in preservative (Ref. 116605).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
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)
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
Estimates based on models
Phylogenetic diversity index (Ref. 82804
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01288 (0.00574 - 0.02890), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
營養階層 (Ref. 69278
): 3.4 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179
): 中等的, 族群倍增時間最少 1.4 - 4.4年 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (19 of 100).