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Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Chimaera: Named for the mythological creature composed of parts of multiple animals, referring to their odd mix of characteristics. (See ETYFish); lignaria: Latin for of or belonging to wood, referring to Kevin J. Dagit, woodworker, carpenter and “supporter of research on chimaeroid fishes in his spare time” (Sharks: An Eponym Dictionary identifies Dagit [misspelled Dadit] as Didier’s son; he was, in f (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Tầng đáy biển sâu; Mức độ sâu 400 - 1800 m (Ref. 45044), usually 800 - 1800 m (Ref. 45044). Deep-water
Pacific: New Zealand and Tasmania. Commonly collected from the fishing grounds of the Tasman Rise, Hikurangi Trough, Challenger Plateau, and Lord Howe Rise.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 100.0  range ? - ? cm
Max length : 142 cm TL con đực/không giới tính; (Ref. 45044)
Short description
Hình thái học | Sinh trắc học
Purplish color. Massive head with blunt snout. Preopercular and oral lateral line canals sharing a common branch. Males with bifurcated claspers, divided for the distal 1/3 of length, purple at the base with white fleshy tips. Skin firm and not deciduous.
Males and females reach sexual maturity at 60-70 cm BDL (usually 100 cm TL) (Ref. 45044). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
Didier, D.A., 2002. Two new species of chimaeroid fishes from the southwestern Pacific Ocean (Holocephali, Chimaeridae). Ichthyol. Res. 49(4):299-306. (Ref. 45044)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Thêm thông tin
Age/SizeSự sinh trưởngLength-weightLength-lengthLength-frequenciesSinh trắc họcHình thái họcẤu trùngSự biến động ấu trùngBổ xungSự phong phúBRUVS
Các tài liệu tham khảoNuôi trồng thủy sảnTổng quan nuôi trồng thủy sảnCác giốngDi truyềnElectrophoresesDi sảnCác bệnhChế biếnNutrientsMass conversion
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Estimates based on models
Preferred temperature (Ref.
123201): 2.5 - 5.7, mean 3.6 °C (based on 978 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00118 - 0.00673), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.7 ±0.6 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (85 of 100).