Key of Identification of Pike-cichlid Eye of Fire - Crenicichla johanna

Crenicichla - 3rd RIVER MADEIRA

1 "- Absence of a dark spot on the posterior extremity of the operculum ...... 3

3 "- Arrangement of the" American "type of lips, that is, the skin of the tooth is folded over that of the posterior end of the premaxilla .................................. 6

6 "- More than a series of teeth in the jaws, all moving (depressible) teeth .... 7

7 "- First branchial arch with short and less numerous traces (40 or less traces) .................................................................................................................... 9

9 "- Scales of the lateral line with a sensorial channel .................................... 11

11 "- Absence of a well developed lobe in the first branchial arch ............... 19

19 '- Forty or more scales in series E1 ............................................................. 20

20 "- Body low and compressed or cylindrical; three spines in the anal fin ............................................................................. Genus Crenicichla

Crenicichla johanna - 3rd RIO MADEIRA

1 '- More than 80 scales in series E1 (series of scales immediately dorsal to those containing the lower lateral line) ..............................................................2

2 '- Body entirely covered by cyclopoid scales; absence of caudal spot .............................................................................. Crenicichla johanna

CRENICICHLA LUGUBRIS GROUP

The Crenicichla lugubris group consists o the largest species in the genus, up to 300mm SL. The number scales is high (more than 82, versus fewer than 80 in all other Crenicichla species), as is the number scales in the lateral lines, the number o dorsal spines and especially the number of branched dorsal in rays. The latter characters, however, are not unique within the genus, and not all are present in each member of this group. Some o the members have a black or dark dots on the head.

Such dots are presente in juveniles (up to 120 mm) o some closely related species in this group, and in two species also in larges specimens.

Key to the species of the lugubris group Morphometric and meristic ranges are based on 95% conidence limits or averages and are not absolute values.

Crenicichla johanna  Heckel, 1840

According to FISHBASE:

Kingdom = Animalia; Filo = Chordata; Class = Actinopterygii; Order = Perciformes; Family = Cichlidae; Genus = Crenicichla

Distribution Countries: South America: Amazon basin, widespread in Peru, Brazil and Bolivia; in the Orinoco basin, in Colombia and in Venezuela; Essequibo Drainage in Guyana; Oyapock and Approuague drainages in French Guiana; Amapá, Brazil.

Size - Maximum length: 28.3 cm

Common name of
Crenicichla johanna: jacundá olho de fogo, joana-gensa, peixe-sabão, joaninha, jacundá (Brasil); pike-cichlid (EUA)

Reference:

FISHBASE = https://www.fishbase.de/summary/Crenicichla-johanna

INSTRUÇÃO NORMATIVA INTERMINISTERIAL N°1, DE 3 DE JANEIRO DE 2012. Diário Oficial da União – Seção I, Nº3, quarta-feira, 4 de janeiro de 2012, páginas 26 a 42 – ISSN 1677-7042 INI MPA-MMA (n01-2012 - Peixes Ornamentais Continentais.pdf)

Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil.

Ploeg, A. 1991. Revision of the South American cichlid genus Crenicichla Heckel, 1840 with descriptions of fifteen new species and considerations on species groups, phylogeny and biogeography (Pisces, Perciformes, Cichlidae). Akademisch Proefschrift, Universiteit van Amsterdam, 152p.

Queiroz, L. J.; Vilara, G. T.; Ohara, W. M.; Pires, T. H. S.; Zuanon, J.; Doria, C. R. C. Peixes do Rio Madeira. São Paulo. Vol.3. 2013.

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