Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদতলে ভাসমান বেনথোপেলাজিক; গভীরতার পরিসীমা 180 - 400 m (Ref. 6181). Deep-water; 20°S - 27°S, 90°W - 81°W (Ref. 6181)
Southeast Pacific: known only from seamounts of Nazca Submarine Ridge and adjacent parts of Sala y Gomez Ridge.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 43.0 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 6181); সর্বোচ্চ উলি্ল্লখিত বয়স : 15 বৎসর (Ref. 6204)
পৃষ্ঠীয় কাঁটা (মোট ) : 18; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ) : 15 - 18; পায়ূ কাঁটা : 2; পায়ূর নরম পাখনা্তুন্ড: 12 - 14; কশেরুকা : 34. Lateral line branching below the 5th to 7th spine of the first dorsal fin, usually ending below the third to the last spine of the first dorsal fin. The lower branch runs mid laterally, sometimes undulating on caudal peduncle. Body is entirely scaled at a length of over 20 cm SL. Pyloric caeca 7 or 8. Body color is brown with silvery tint; anterior 2 membranes of the first dorsal fin black, the rest of the fin black edged; the posterior part of the pectoral fin is black.
Feeds on squid and fish. Matures at about 25 cm.
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Nakamura, I. and N.V. Parin, 1993. FAO Species Catalogue. Vol. 15. Snake mackerels and cutlassfishes of the world (families Gempylidae and Trichiuridae). An annotated and illustrated catalogue of the snake mackerels, snoeks, escolars, gemfishes, sackfishes, domine, oilfish, cutlassfishes,. scabbardfishes, hairtails, and frostfishes known to date. FAO Fish. Synop. 125(15):136 p. (Ref. 6181)
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): 10.6 - 11.1, mean 10.8 °C (based on 10 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00163 - 0.00807), b=3.10 (2.91 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 4.5 ±0.62 se; based on food items.
স্থিতিস্থাপক (Ref.
120179): নিম্ন/ , সর্বনিম্ন প্রজন দ্বিগুনের সময় ৪.৪-১৪ বৎসর (tmax=15).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
