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Beryciformes (Sawbellies) >
Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Poromitra: Greek, poros = porous + Greek, mitra = stripe, belt (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক সমুদ্রবক্ষে ভাসমান (ব্যথিপেলাজিক); গভীরতার পরিসীমা 645 - 5320 m (Ref. 58302). Deep-water; 45°N - 49°S, 79°E - 109°W
Indo-Pacific: tropical waters.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.2 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 9928)
পৃষ্ঠীয় কাঁটা (মোট ): 3; পৃষ্ঠীয় নরম পাখনা দন্ড (মোট ): 9-10; পায়ূ কাঁটা 1; পায়ূর নরম পাখনা্তুন্ড: 7 - 8. This species is distinguished by the following characters: spinulated posterior and lower margins of the praeoperculum with the angular part of the praeoperculum having a non-spinulated notch; insertion of the ventral fins at the level of the vertical of the posterior margin of the pectoral fin insertion, or sometimes slightly shifted anteriad in small specimens; upper jaw extends beyond the vertical of the posterior eye margin; possess the smallest eyes among other species of the genus, 10.7-17.2 times in HL; soft rays on dorsal fin 9-10, in anal fin 7-8; first branchial arch with 23-25 rakers; vertebrae 24-25; pyloric caeca 7 (Ref. 83463).
Trawled at depths greater than 800-1000 m (Ref. 4241, 83463); seined with unclosing fishing gear at 4500-0 m and with closing fishing gear at depths of 1300-645 m (Ref. 83463).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Kotlyar, A.N., 2009. Revision of the genus Poromitra (Melamphaidae): Part 4. Species of P. cristiceps Group: P. atlantica, P. oscitans, and P. agofonovae Kotlyar, species nova. J. Ichthyol. 49(8):563-574. (Ref. 83463)
IUCN Red List Status (Ref. 130435)
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