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Siluriformes (Catfishes) >
Akysidae (Stream catfishes) > Akysinae
Etymology: inermis: The specific name is derived from the Latin inermis (unarmed), referring to the lack of serrations on the pectoral spine.
More on authors: Ng & Kottelat.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
; agua dulce demersal. Tropical
Asia: Xe Banghiang and Xe Kong drainages of the Mekong River drainages in southern Laos.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 3.5 cm SL macho / no sexado; (Ref. 37037)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 1; Radios blandos dorsales (total) : 4 - 5; Radios blandos anales: 8 - 11; Vértebra: 31 - 35. Can be differentiated from its congeners in the following characters: lacking distinct serrae on posterior edge of pectoral spine; adipose fin with moderately long base, its length 13.4-16.7 %SL; eye diameter 7-10 %HL; length of nasal barbel 38-57 %HL; tip of snout noticeably in front of apex of lower jaw; large anterior and posterior nostrils present, closely situated together and separated only by base of nasal barbel; caudal fin with 7+7-8 rays; branchiostegal rays 6-7; a light yellow snout with a sharp contrasted edge; color pattern consisting of dorsal and ventral light yellow patches on the body that sometimes coalesce at mid-height of the flank (Ref. 37037).
Body shape (shape guide): elongated; Cross section: compressed.
Akysis inermis has been found in various habitats from swift creek to riffles in streams and rapids in large rivers. All habitats had in common a stony (gravel to boulder) substrate and relatively swift current. In most of them the water was clear in the dry season (Ref. 37037).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Ferraris, C.J. Jr., 2007. Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. (Ref. 58032)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Referencia
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
Vulnerabilidad pesquera (Ref.
59153): Low vulnerability (10 of 100).
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