Classification / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Oreochromis: Latin, aurum = gold + Greek, chromis = a fish, perhaps a perch (Ref. 45335); ismailiaensis: Named on geographical basis since it was collected from Ismailia city in the north of Egypt (Ref. 47363).
Environment: milieu / climate zone / depth range / distribution range
Ecología
; salobre bentopelágico. Temperate
Africa: Ismailia Canal, Egypt (Ref. 47363).
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 19.1 cm TL macho / no sexado; (Ref. 47363)
Short description
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 15 - 17; Radios blandos dorsales (total) : 11 - 14; Espinas anales: 3; Radios blandos anales: 8 - 11; Vértebra: 27 - 32. Head with straight profile; mouth terminal, oblique, moderately large; maxillary extending to below the anterior border of the orbit (Ref. 47363). Ventral fin reaching the vent; the pectoral fin reaching beyond the origin of anal fin; caudal fin truncate, more or less oblique in some cases; the last dorsal soft fin ray extending to the dorsal origin of caudal fin (Ref. 47363). Caudal peduncle as long as deep or a little deeper than long; ventral outline straight or slightly rounded (Ref. 47363). Scales not denticulate; two lateral lines present; the majority of scales of the dorsal one pored (Ref.47363).
General body colour pale grey-silver, darker below the dorsal fin and on the dorsal side of the head; belly being usually white; 8 black vertical bars on the body, the first one partly developed; a black dorsal opercular spot present (Ref. 47363). Dorsal fin with oblique black striations on their posterior soft rays, no tilapia mark on the dorsal fin; caudal fin dark red without vertical stripes; a black pyramid present, its base at the caudal fin base, its top extending to fin margin; anal fin reddish with a black anterior base (Ref. 47363). Eye with black iris, with a red circle around the pupil (Ref. 47363).
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Mekkawy, I.A.A., 1995. Description of Oreochromis ismailiaensis sp. N., and its hybrid with Oreochromis niloticus (Linnaeus, 1758) (Perciformes; Cichlidae) from Egypt. Bull. Fac. Sci., Assiut Univ., 24(2-E):1-27. (Ref. 47363)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
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=0.01905 (0.00827 - 0.04391), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
