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).
More on authors: Smith & Radcliffe.
Issue
Research shows that this species is restricted to northwestern Pacific ; Austral-Indonesian records are considered to represent two or three undescribed species (see Ref. 87957); distribution will be resolved (linked to correct species) when publications are received.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক; গভীরতার পরিসীমা 100 - 696 m (Ref. 106604). Deep-water; 37°N - 30°S
Western Pacific: Japan to Philippines, possibly Australia (Ref. 124468). Austral-Indonesian records are considered to represent two or three undescribed species (see Ref. 87957).
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 50.0 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 6871)
Ovoviviparous (Ref. 205).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
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): 6.6 - 10.6, mean 7.7 °C (based on 111 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 (0.00191 - 0.00758), 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): 4.2 ±0.6 se; based on diet studies.
স্থিতিস্থাপক (Ref.
120179): অত্যন্ত কম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৪ বৎসর (Fec=2).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).