| Lebiasinidae (Pencilfishes), subfamily: Lebiasininae |
| 6.84 cm SL (male/unsexed) |
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benthopelagic; freshwater |
| South America: Rio Curuá (rio Xingu basin) in Serra do Cachimbo, Brazil. |
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Dorsal soft rays (total): 10-10; Anal soft rays: 11-12. Can be easily diagnosed from all lebiasinins, except Lebiasina melanoguttata, by the following characters: absence of the primary and secondary stripes, as well as the caudal
blotch; the presence of three longitudinal series of dark blotches at the base of the scales; the pair of foramina on the vomer through which the ramus palatinus of the facial nerve passes; the large laminar extrascapular bone in contact with the fifth infraorbital and overlaying the anterodorsal portion of the opercle; and the nearly equal caudal-fin lobes. Differs from Lebiasina melanoguttata in the presence of a dark blotch at the base of the middle dorsal-fin rays, the second infrapharyngobranchial being edentulous, the yellowish overall coloration of the body, the dark olive green eyes, and the dark blotches of longitudinal series 3 and 4 coalescing where scales of adjacent longitudinal series overlap (vs. dark blotch absent; second infrapharyngobranchial with conical teeth; the reddish overall color of body and eyes; and the dark blotches of longitudinal series not coalescing) (Ref. 91748). |
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Vulnerable (VU); Date assessed: 17 November 2018 (D2) Ref. (130435)
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| harmless |
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