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).
More on authors: Fernández & Vari.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. High altitude; 26°S - 27°S
South America: Laguna Blanca basin in Catamarca, Argentina.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.2 cm पुल्लिंग / अलिंग; (Ref. 39970)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण): 0; पृष्ठीय सौफट रेज़ (सम्पूर्ण): 12-13; गुदा कांटा 0; ऐनल सौफट रेज़: 11 - 12; जानवरों की रीड़ का जोड़: 37 - 39. Eye covered by thin, transparent skin. Species differs from all other known members of the subfamily Trichomycterinae by the combination of its lack of both the pelvic fins and girdle, eight or nine principle dorsal fin rays, 37-39 vertebrae, 18-20 ribs on each side, the elongate body with a transversely flattened caudal peduncle, the posteriorly straight and slightly posterodorsally angled caudal fin margin, the lack of pronounced marmorated pigmentation on the body and fins, its lack of s very thick, rugose layer of fatty tissue on the body and head, the presence of a portion of the laterosensory canal system within the sphenotic, the lack of an extensive perforation of the skin surface by pores of the ampullary organs, and its maximum length.
Collected from a 0.5 m deep, small, clear water stream with a sandy bottom at an elevation of approximately 3500 m. The stomachs of two specimens contained dipteran larvae (Chironomidae and Ceratopogonidae), filamentous algae, and sand indicating that the species feeds, at least in part on autochthonous benthic macroinvertebrates (Ref. 37038).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Fernández, L. and R.P. Vari, 2000. New species of Trichomycterus (Teleostei: Siluriformes: Trichomycteridae) lacking a pelvic fin and girdle from the Andes of Argentina. Copeia 2000(4):990-996. (Ref. 37038)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
अधिक जानकारी
आम नामउपशब्दचपायचयपरभक्षीईकोटोकसीकोलौजीपुनरुत्पत्तिपरिपक्व अवधिमछलीऔ का अंडे देनाSpawning aggregationFecundityअंडेEgg development
Age/Sizeबाढ़Length-weightLength-lengthLength-frequenciesमौरफोमैटरिक्सआकृति विज्ञानलार्वालारवल गतिकीभर्तीबहुतायतBRUVS
संदर्भजलीयकृषिजलीयकृषि रूपरेखाखींचआनुवंशिकीElectrophoresesहैरेटिबिलटीबीमारीप्रक्रमणNutrientsMass conversion
सहयोगीयोतस्वीरेStamps, Coins Misc.ध्वनिसिगुयटिरारफ्तारतैरने के प्रकारगिल क्षेत्रOtolithsदिमागदृष्टि
साधन
Special reports
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इंटरनेट स्रोत
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=0.00851 (0.00355 - 0.02043), b=2.93 (2.74 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.8 ±0.31 se; based on food items.
लौटाव (Ref.
120179): निम्न, न्यूनतम जनसंख्या दुगनी होने का समय 4.5 - 14 वर्ष। (Assuming Fec < 100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
