Classification / Names
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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); gorgona: Named for Gorgona Island, the type locality of this species.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; স্বাদু পানি তলদেশ বিহারী. Tropical
South America: Gorgona Island in Colombia.
আকৃতি / ওজন / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.4 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 55665)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
Distinguished from all congeners in having a thick transverse skin flap between the pelvic fins. Further differs by the following combination of characters: presence of eight or nine paired ribs, reduced pigmentation, and eyes reduced to small ovoid dots. Shares features commonly observed among troglomorphs, yet is distinguished from troglobitic Trichomycterinae in having the maxillary barbel extending to the anterior pectoral-fin margin, nasal barbels reaching the opercular odontodes, three supraorbital pores on the head, eight pectoral-fin rays and the first ray prolonged as a filament, tip of adpressed pelvic-fin not reaching anal-fin origin, 39-40 vertebrae, eight to 13 opercular odontodes, 14-15 interopercular odontodes (Ref. 55665).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Fernández, L. and S.A. Schaefer, 2005. New Trichomycterus (Siluriformes: Trichomycteridae) from an offshore Island of Colombia. Copeia 2005(1):68-76. (Ref. 55665)
IUCN Red List Status (Ref. 130435: Version 2024-2)
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=0.00977 (0.00400 - 0.02388), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): নিম্ন/ , সর্বনিম্ন প্রজন দ্বিগুনের সময় ৪.৪-১৪ বৎসর (Assuming Fec < 100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).