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Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Trichomycterus: Greek, thrix = hair + Greek, mykter, -eros = nose (Ref. 45335); rosablanca: Named for the Rosablanca karstic formation where the type locality is found.
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; pH range: 7.9 - 8.1; गहराई सीमा ? - 230 m (Ref. 119411). Tropical; ? - 15°C (Ref. 119411)
South America: Colombia (Las Sardinas and Caracol caves)..
आकार / वज़न / आयु
परिपक्व अवधि: Lm ?  range ? - ? cm
Max length : 10.3 cm SL पुल्लिंग / अलिंग; (Ref. 119411)
संक्षिप्त वर्णन
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
जानवरों की रीड़ का जोड़: 37. This species is distinguished by the advanced condition in the typical troglomorphisms found in other congeneric cave-dwelling species, such as the absence of eyes and pigmentation. It is distinguished by the following putative autapomorphies: presence of a circular foramen in the main body of the interopercle, dorsal to the interopercular plate supporting the odontodes; presence of a single sensory pore in the posteriormost section of the infraorbital canal; differs from its congeners known from Colombia by having the supraorbital canal interrupted in the nasal section, resulting in the pattern of s1, s2, s3, and s6 sensory pores, and the lachrimal/antorbital bone not enclosing the anteriormost section of the infraorbital canal (Ref. 119411).
Cross section: oval.
Specimens of this species were collected at 230 m (dark section) inside the northern opening and in the epigean section of the interconnecting stream, while collecting efforts both in the epigean and hypogean systems failed to capture any other fish species in the region (Ref. 119411).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Mesa, LM., C.A. Lasso, L.E. Ochoa and C. DoNascimiento, 2018. Trichomycterus rosablanca (Siluriformes, Trichomycteridae) a new species of hipogean catfish from the Colombian Andes. Biota Colombiana 19(Sup. 1):95-226. (Ref. 119411)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मनुष्यों के लिए ख़तरा
Harmless
मानव उपयोग
साधन
विशेष रिपोर्ट
XML डाउनलोड करें
इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
जातिवृति विविधता सूचकांक (संदर्भ 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00912 (0.00394 - 0.02111), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
ट्रॉफिक स्तर (संदर्भ 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
मछली पकड़ने की भेद्यता (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |