Классификация / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335); empheres: Name from Greek meaning similar, alludes to its similarity with C. jurubi, a species occurring in the same drainage; an adjective..
Environment: milieu / climate zone / depth range / distribution range
экология
; пресноводный пелагический. Tropical
South America: Brazil.
Size / Вес / Возраст
Maturity: Lm ? range ? - ? cm
Max length : 14.1 cm SL самец/пол неопределен; (Ref. 75870)
Краткое описание
определительные ключи | морфология | морфометрия
This species is distinguished from other species of the C. missioneira group by having 6-8 slightly elongate blotches along middle portion of the body flank, below the upper lateral line scale row, no lateral band, numerous spots scattered over back, (sometimes forming a reticulated pattern) and sides in males, and an isognathous mouth. It is most similar to
C. igara and C. jurubi in color pattern, but both males and females of the latter species show the same scattered spots including those on the head and opercle vs. none in females and males of Crenicichla empheres which has the spots confined to the lateral of body. Other differences, C. jurubi may have the last three or four blotches contiguous without lighter space between them and/or mixing with the spotted pattern of the body) and
C. igara has prognathous mouth and no ocellated spot on the dorsal fin in females (Ref. 75870).
The specimens were collected above a major waterfall in the rio Chapecó. Although many
other localities were explored downstream and in the rio Uruguay itself, no additional specimens were captured. Stomach contents of one female specimen (9.32 cm SL, MCP 40176) contain aquatic insect larvae (Ref. 75870).
Life cycle and mating behavior
Maturities | размножение | Spawnings | Egg(s) | Fecundities | личинки
Lucena, C.A.S. de, 2007. Two new species of the genus Crenicichla Heckel, 1840 from the upper rio Uruguay drainage (Perciformes: Cichlidae). Neotrop. Ichthyol. 5(4):449-456. (Ref. 75870)
Статус Красного Списка МСОП (Ref. 130435)
Угроза для людей
Harmless
Использование человеком
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Специальные отчеты
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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=0.00813 (0.00354 - 0.01865), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.5 se; based on size and trophs of closest relatives
устойчивость к внешним воздействиям (Ref.
120179): высокий, минимальное время удвоения популяции до 15 месяцев (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
