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Chaenocephalus aceratus (Lönnberg, 1906)
Blackfin icefish
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Chaenocephalus aceratus AquaMaps Data sources: GBIF OBIS |
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Chaenocephalus aceratus
Picture by Reyes, P.
Pictures | Stamps, coins, misc. | Google image
Picture by Reyes, P.
Common names from other countries
Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa
> Perciformes/Notothenioidei (Icefishes) > Channichthyidae (Crocodile icefishes)
Etymology: Chaenocephalus: Greek, chaeno = to yawn + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.
Etymology: Chaenocephalus: Greek, chaeno = to yawn + Greek, kephale = head (Ref. 45335).
More on author: Lönnberg.
Environment: milieu / climate zone / depth range / distribution range पारिस्थितिकी
समुद्री ड़िमरसल; गहराई सीमा 5 - 770 m. Polar; 53°S - 65°S, 67°W - 4°E
वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri
Southern Ocean: in the vicinity of Bouvet Island, Scotia Sea, and northern part of the Antarctic Peninsula.
Length at first maturity / आकार / वज़न / Age
Maturity: Lm 44.9 range ? - ? cm
Max length : 72.0 cm TL पुल्लिंग / अलिंग; (Ref. 4883); common length : 50.0 cm TL पुल्लिंग / अलिंग; (Ref. 2805); अधिकतम प्रकाशित वज़न: 3.7 kg (Ref. 4883)
Max length : 72.0 cm TL पुल्लिंग / अलिंग; (Ref. 4883); common length : 50.0 cm TL पुल्लिंग / अलिंग; (Ref. 2805); अधिकतम प्रकाशित वज़न: 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).
Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
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).
Main reference
Upload your references | संदर्भ | संयोजक | सहयोगीयो
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
वेदनीय, आई यु सी ऐन लाल सूची देखें। (VU) (A2bcde); Date assessed: 29 November 2023
Threat to humans
Harmless
Human uses
मात्स्यिकी: लघु वाणिज्य
FAO(मात्स्यिकी: production; publication : search) | FishSource | Sea Around Us
अधिक जानकारी
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
भर्ती
बहुतायत
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
भर्ती
बहुतायत
Life cycle
पुनरुत्पत्ति
परिपक्व अवधि
Fecundity
मछलीऔ का अंडे देना
Spawning aggregations
अंडे
Egg development
लार्वा
लारवल गतिकी
पुनरुत्पत्ति
परिपक्व अवधि
Fecundity
मछलीऔ का अंडे देना
Spawning aggregations
अंडे
Egg development
लार्वा
लारवल गतिकी
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
साधन
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Estimates based on models
Preferred temperature (Ref. 115969): -1.3 - 1.6, mean 0 (based on 42 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00093 (0.00079 - 0.00110), b=3.48 (3.43 - 3.53), 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.
लौटाव (Ref. 120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (K=0.17-0.24; Fec = 7,358).
Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (54 of 100).
Climate Vulnerability (Ref. 125649): High to very high vulnerability (75 of 100).