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Myctophiformes (Lanternfishes) >
Neoscopelidae (Blackchins)
Etymology: Scopelengys: Greek, skopelos = a lantern fish + Greek, eggys = near (Ref. 45335); tristis: tristis meaning dull, alluding to its dull blackish color (Ref. 4525).
More on author: Alcock.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদ্রবক্ষে ভাসমান (ব্যথিপেলাজিক); মহাসাগরে বিচরনক্ষম (Ref. 51243); গভীরতার পরিসীমা 400 - 1830 m (Ref. 58018). Deep-water; 35°N - 35°S
Western Indian Ocean: 6°N to 34°S. Probably Somalia (Ref. 30573). Western Pacific. Eastern Pacific: southern California, USA to Chile. Western Atlantic: off Venezuela (Ref. 6690) and Guianas (Ref. 13608). Eastern Atlantic: Morocco to Angola; one record from South Africa (Ref. 6604). South China Sea and East China Sea (Ref.74511).
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 20.0 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 4481)
পৃষ্ঠীয় কাঁটা (মোট ) : 0; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 11 - 13; পায়ূ কাঁটা : 0; পায়ূর নরম পাখনা্তুন্ড: 12 - 14. Uniform brown in color, mouth and belly darker (Ref. 6604). Branchiostegal rays: 8 (Ref. 36062). Lacks luminous organs and a gas bladder (Ref. 36062).
High-oceanic and bathypelagic (Ref. 6604). Adults usually found below about 1,000 m, but juveniles found between 500-800 m. No evidence of vertical migration (Ref. 6604). Feed mainly on small crustaceans. Sexually mature from about 15.2 cm (Ref. 4525). Oviparous, with planktonic larvae (Ref. 36062).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
মৎস্য: আকর্ষণবিহীণ
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 4.2 - 7.7, mean 5.7 °C (based on 645 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7656 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00363 - 0.02397), b=3.07 (2.85 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.1 ±0.30 se; based on food items.
Generation time: 2.4 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
স্থিতিস্থাপক (Ref.
120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
