Diagnostic Description
(
英語
)
由Fishbase提供
Belongs to the Trichomycterus brasiliensis species-complex based on the possession of the following apomorphic characters unique in Trichomycterus: four longitudinal rows of well-defined blotches formed by very dense concentration of dark chromatophores in the deeper layer of skin; and pectoral fin with I+5-6 rays. Members of this putative clade, except T. iheringi, may be further distinguished from other species of Trichomycterusin having the bases of the pelvic fins very close to each other, sometimes in contact. Differs from the remaining species of Trichomycterus (except T. brasiliensis and T. potschi) in retaining the primordial epiphyseal cartilaginous bar separating the anterior and posterior cranial fontanels even in larger individuals. Distinguished further from other species of the T. brasiliensis species-complex and from all congeners in the following putative autapomorphies: row of blotches on lateral surface not forming a lateral stripe in any stage during ontogeny; and superficial layer of pigmentation of juveniles and larger, presumably adult, specimens formed by scattered chromatophores (Ref. 51380).Description: Dorsal-fin rays ii+II+7, rarely iii+III+7. Anal-fin rays ii+II+5, iii+II+5. Pectoral-fin rays I+6, rarely I+7. Pelvic-fin rays I+4 (Ref. 51380).
Trophic Strategy
(
英語
)
由Fishbase提供
Dwells on limonite rocky bottom streamlet with pebbles and sand, and pools with muddy bottom and accumulated plant debris. Crepuscular and nocturnal, forages on the bottomand picks mostly benthic prey. Feeds on immature aquatic insects (ephemeropterans, trichopterans, and plecopterans) and larger individuals prey on small tadpoles (Ref. 51380).
Biology
(
英語
)
由Fishbase提供
A rheophilic species which dwells on limonite rocky bottom streamlet with pebbles and sand, and pools with muddy bottom and accumulated plant debris. Crepuscular and nocturnal, it forages on the bottom and picks mostly benthic prey. Feeds on immature aquatic insects (ephemeropterans, trichopterans, and plecopterans) with larger individuals preying on small tadpoles (Ref. 51380).
Trichomycterus maracaya: Brief Summary
(
加泰隆語
)
由wikipedia CA提供
Trichomycterus maracaya és una espècie de peix de la família dels tricomictèrids i de l'ordre dels siluriformes.
Trichomycterus maracaya: Brief Summary
(
西班牙、卡斯蒂利亞西班牙語
)
由wikipedia ES提供
Trichomycterus maracaya es una especie de peces de la familia Trichomycteridae en el orden de los Siluriformes.
Trichomycterus maracaya
(
巴斯克語
)
由wikipedia EU提供
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Trichomycterus maracaya: Brief Summary
(
巴斯克語
)
由wikipedia EU提供
Trichomycterus maracaya Trichomycterus generoko animalia da. Arrainen barruko Trichomycteridae familian sailkatzen da.
馬拉凱毛鼻鯰: Brief Summary
(
漢語
)
由wikipedia 中文维基百科提供
馬拉凱毛鼻鯰，為輻鰭魚綱鯰形目毛鼻鯰科的其中一種，為熱帶淡水魚，分布於南美洲巴西東南部Pardo河流域，體長可達5.1公分，棲息在沙石底質且流動快速的溪流與泥底質、富含沉積物水塘底層水域，屬夜行性，以水生昆蟲為食，生活習性不明。
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