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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
Ecologie
; zoet water demersaal. Tropical
Asia: Mali Hka River near Putao, Myanmar.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 7.7 cm SL mannelijk / geslacht onbekend; (Ref. 116725)
Korte beschrijving
Morfologie | Morfometrie
Dorsale zachte stralen (totaal): 12; Anale zachte stralen: 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).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Meer informatie
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Estimates based on models
Fylogenetische diversiteitsindex (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).
Trofisch niveau (Ref.
69278): 2.8 ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
