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Perciformes (Perch-likes) >
Channichthyidae (Crocodile icefishes)
Etymology: Chaenocephalus: Greek, chaeno = to yawn + Greek, kephale = head (Ref. 45335).
محيط زيست / آب و هوا _ اقليم / Range
بوم شناسي
; دريايي نزديك كف زي; تغييرات عمق 5 - 770 m. Polar, preferred -1°C (Ref. 107945); 53°S - 65°S, 67°W - 4°E
Southern Ocean: in the vicinity of Bouvet Island, Scotia Sea, and northern part of the Antarctic Peninsula.
Length at first maturity / Size / Weight / سن
Maturity: Lm 44.9 range ? - ? cm
Max length : 72.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 4883); common length : 50.0 cm TL جنس نر / بدون خواص جنسي; (Ref. 2805); بيشينه وزن گزارش شده: 3.7 kg (Ref. 4883)
Adults feed mostly on fish and krill. Synchronous spawner (Ref. 50743). Larvae have a long pelagic phase (Ref. 71843). Utilized as a food fish (Ref. 4931).
There is only one generation of oocytes in the ovaries indicative of determinate fecundity (Ref. 50743). Mature females may spawn for the first time from around 6-8 years of age (Ref. 71843).
Hureau, J.-C., 1985. Channichthyidae. p. 261-277. In W. Fischer and J.C. Hureau (eds.) FAO species identification sheets for fishery purposes. Southern Ocean (Fishing areas 48, 58 and 88). Rome. Vol. 2. (Ref. 2805)
وضعيت در فهرست قرمز IUCN (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
خطر برای انسان ها
Harmless
استفاده انسانی
ماهي گيري – شيلات: ارزش تحاري اندك
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00091 (0.00074 - 0.00113), b=3.48 (3.42 - 3.54), in cm Total Length, based on LWR estimates for this species (Ref.
93245).
Trophic Level (Ref.
69278): 3.4 ±0.2 se; Based on diet studies.
جهندگی (Ref.
69278): متوسط, كمينه زمان لازم براي دو برابر شدن جمعيت 4/1 – 4/4 سال (K=0.17-0.24; Fec = 7,358).
آسيب پذيری (Ref.
59153): High to very high vulnerability (68 of 100) .
