Classification / Names
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Characiformes (Characins) >
Crenuchidae (South American darters) > Characidiinae
Etymology: Characidium: Diminutive of Charax, -akos = a fish without identification (Ref. 45335); kamakan: Named for the Kamakã indigenous people that originally inhabited the area. A noun in apposition.
Eponymy: The Kamakã indigenous people originally inhabited the lower portion of Río Pardo basin, Bahia, Brazil, which is where the holotype was taken. (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
; Nước ngọt Sống nổi và đáy. Tropical
South America: Rio Água Preta and rio Panelão, tributaries of the lower portion of rio Pardo basin, Bahia State, Brazil.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.5 cm SL con đực/không giới tính; (Ref. 116766)
Inhabits rapid water stretches within domain originally covered by the Atlantic Forest, posteriorly converted to cocoa plantations and more recently to cattle ranches, coffee, and rubber crops. Collected from the stretches of the rio Água Preta and rio Panelão at altitudes ranging from 162-184 m above sea level, with moderate to rapid water current, running over rock, pebbles and sand bottoms, 0.3-1.5 m deep, with rapids, pools, and meanders. Stomach contents of two specimens consisted of allochthonous and autochthonous items which included fragments of vascular plants, organic debris, insect larvae (Diptera: Chironomidae and other unidentified orders), and unidentified arthropods (Ref. 116766).
Life cycle and mating behavior
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Zanata, A.M. and P. Camelier, 2015. Two new species of Characidium Reinhardt (Characiformes: Crenuchidae) from northeastern Brazilian coastal drainages. Neotrop. Ichthyol. 13(3):487-498. (Ref. 116766)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
