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Cypriniformes (Carps) >
Nemacheilidae (Brook loaches)
Etymology: Malihkaia: Named for its type locality, Mali Hka River.; aligera: Named from Latin adjective aliger (aligera, aligerum), meaning winged..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Tropical
Asia: Mali Hka River near Putao, Myanmar.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 7.7 cm SL macho/indeterminado; (Ref. 116725)
Descrição suscinta
Morfologia | Morfometria
Raios dorsais (total): 12; Raios anais : 8. Malihkaia is diagnosed from all genera of nemacheilids by the unique morphology of the lips and the unique pectoral fin sexual dimorphism. Lips are characterized by the following traits: : thick, consting of numerous, closely set, deep furrows; upper lip with a small median notch, transverse furrows on its whole length, edge crenulated; lower lip with a median interruption, transverse furrows on its whole length, edge crenulated. Pectoral fin is strongly falcate in males, greatly elongated as a ‘wing’, rigid and curled, with the first branched ray the longest, and with all branches and sub-branches adjacent and absence of membranes between them. Other diagnostic characters include the following: presence of processus dentiformis; presence of suborbital flap present in males; dorsal fin with 8½ branched rays; caudal fin with 9+8 branched rays; presence of axillary pelvic lobe; anus situated about 1.5-2 eye diameter in front of anal fin; body entirely scaled; lateral line complete; air bladder without posterior chamber; body with 9-12 bars extending from dorsal midline to level of pectoral fin, bars of quite regular width and shape in front of dorsal fin, less regular posteriorly, much wider than interspaces; and black mark at caudal-fin base made of a more or less squarish blotch in middle of base, a more or less triangular blotch over dorsal procurrent rays, fainter pigments over base of uppermost and lowermost 4-6 principal rays of caudal fin (Ref. 116725).
Found in fast riffles over gravel and cobble at about 60 cm depth. Syntopic with Bangana sp., Garra sp. (Cyprinidae), Psilorhynchus brachyrhynchus (Psilorhynchidae), Homalopteroides rupicola (Balitoridae), Acanthocobitis sp., Schistura malaisei, S. nubigena, S. sikmaiensis (Nemacheilidae), Batasio procerus (Bagridae), Amblyceps murraystuarti (Amblycipitidae), Pseudecheneis brachyurus (Sisoridae) and Mastacembelus armatus (Mastacembelidae). Stomach contents contained insects (Ref. 116725).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Kottelat, M., 2017. A new genus and three new species of nemacheilid loaches from northern Irrawaddy drainage, Myanmar (Teleostei: Cypriniformes). Raffles Bull. Zool. 65:80-99. (Ref. 116725)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
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Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00385 - 0.01971), b=3.02 (2.83 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): médio(a), tempo mínimo de duplicação da população 1,4 - 4,4 anos (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
