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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Astronesthinae
Etymology: Astronesthes: Greek, astra = ray + Greek, esthes, -es = suit, something used to wrap (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদ্রবক্ষে ভাসমান (ব্যথিপেলাজিক); গভীরতার পরিসীমা 1 - 3000 m (Ref. 74511). Deep-water
Eastern Atlantic: Madeira (Ref. 2802) to off South Africa (Ref. 4465). Western Atlantic: 25°N-5°N. Indo-Pacific: eastern Africa, Gulf of Aden and Bay of Bengal to the vicinity of the Hawaiian and Japanese islands, the Philippines and northwestern Australia. Eastern Pacific: most frequent in the equatorial zone covering the Galapagos. This species is not likely to occur in the central oceanic gyres (Ref. 27676). South China Sea (Ref.74511).
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 21.0 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 559)
পৃষ্ঠীয় কাঁটা (মোট ) : 0; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 15 - 16; পায়ূ কাঁটা : 0; পায়ূর নরম পাখনা্তুন্ড: 14; কশেরুকা : 43 - 46. Body black in color (Ref. 3982). Relatively large luminous patches on operculum and interoperculum, and along ventral margin of lower jaw; its color pink when fresh, whitish preserved (Ref. 559). Serial photopores few and widely spaced (Ref. 559). Body moderately elongate and slender. Chin barbel long and slender, tip expanded in form of thin flaps or swollen bulb. Maxillary teeth are comblike (Ref. 37039).
An oceanic and mesopelagic species usually found deeper than 500 m during the day (Ref. 2802). Feeds on midwater fishes and crustaceans (Ref. 2802). Also Ref. 58302.
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Parin, N.V. and O.D. Borodulina, 1996. Revision of the Astronesthes indicus species group (Astronesthidae), with descriptions of five new species. J. Ichthyol. 36(8):551-565. (Ref. 27676)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 3.8 - 11.6, mean 6.1 °C (based on 1689 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00171 - 0.01014), b=3.05 (2.83 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.5 ±0.48 se; based on food items.
স্থিতিস্থাপক (Ref.
120179): মাধ্যম , সর্বনিম্ন প্রজন দ্বিগুনের সময় ১.৪-৪.৪ বৎসর (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
