ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335); perryi: Named after Perry W. Gilbert (Ref. 27618).
Eponymy: Perry Webster Gilbert (1912–2000) was an American biologist with a particular interest in sharks. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক; গভীরতার পরিসীমা 230 - 530 m (Ref. 106604). Deep-water
Western Central Atlantic: Colombia and Venezuela.
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 17.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 27618); 20.0 cm TL (female)
Body strongly marked with light and dark areas, streaks and spots; very small (probably the smallest shark) with a somewhat flattened head and snout (its depth 2/3 or less than its width); moderately large eyes; slender, needle-shaped denticles in random, dense array; fins moderately large.
Ovoviviparous (Ref. 205).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Distinct pairing with embrace (Ref. 205).
Springer, S. and G.H. Burgess, 1985. Two new dwarf dogsharks (Etmopterus, Squalidae), found off the Caribbean coast of Colombia. Copeia 1985(3):584-591. (Ref. 27618)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 9.6 - 13.8, mean 11.9 °C (based on 10 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00194 - 0.00745), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.9 ±0.5 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): নিম্ন/ , সর্বনিম্ন প্রজন দ্বিগুনের সময় ৪.৪-১৪ বৎসর (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).