গুীরহর (হ্যাগফিশ) (hagfishes) >
Myxiniformes (Hagfishes) >
Myxinidae (Hagfishes) > Eptatretinae
Etymology: Eptatretus: hepta (Gr.), seven; tretos (Gr.), perforated (i.e., with holes), referring to seven gill apertures on what would later be described as Homea banksii (=E. cirrhatus) [range within genus is 6-14 pairs of gill apertures]. (See ETYFish); luzonicus: -icus (Gr.), belonging to: Luzon Island, Philippines, type locality [replacement name of E. fernholmi McMillan & Wisner 2004, which became a junior homonym of Paramyxine fernholmi Kuo, Huang & Mok 1994 when Paramyxine was subsumed into Eptatretus]. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
সামুদ্রিক ব্যথিডিমারসাল সমুদ্র তলদেশবিহারী; অ_ পরিযায়ী; গভীরতার পরিসীমা 563 - 710 m (Ref. 95645). Deep-water; 7°C - ? (Ref. 95645); 20°N - 5°N, 116°E - 128°E
Western Pacific: known only from the type locality in the Philippines.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 37.3 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 95645); 56.3 cm TL (female)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
This species can be distinguished from its known congeners by the following set of characters: gill pouches 8 pairs; 3-cusp multicusps on the anterior sets and 2-cusp multicusps on the posterior sets of cusps; total cusps 47-51; prebranchial pores 13-15; trunk pores 49-55; total pores 84-88; a single nasal-sinus papilla in the middorsal surface of the nasal sinus (Ref. 95645).
The holotype was collected from the type locality over green muddy bottom at bottom temperature of 6.8°C, surface water temperature 28.3°C (Anonymous, 1910). Additional specimens from the Verde Island Passage were collected at 578 and 710 m, sediment type ranged from mud to sand (Ref. 95645).
Life cycle and mating behavior
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
Mincarone, M.M. and J.E. McCosker, 2014. Redescription of Eptatretus luzonicus Fernholm et al., 2013, a replacement name for Eptratretus fernholmi McMillan and Wisner, 2004 (Craniata: Myxinidae), based on the discovery of the holotype and additional specimens from the Philippines. pp. 341-349. In Williams, G.C. and T.M. Gosliner, eds. 2014. The Coral Triangle : The 2011 Hearst Biodiverisity Philippine Expedition. California Academy of Sciences, San Francisco, California 94118, USA. (Ref. 95645)
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
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00204 (0.00092 - 0.00452), b=2.93 (2.73 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 4.2 ±0.7 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): Moderate vulnerability (43 of 100).
