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Crenicichla johanna Heckel, 1840

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Venezuela country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from the Orinoco River basin (Ref. 36377).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ve.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Kullander, S.O., 2003
National Database:

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Cichlinae
Etymology: Crenicichla: Latin, crenulatus = cut, clipped + Greek, kichle = wrasse (Ref. 45335).
  More on author: Heckel.

Issue
Redescription based on Peruvian material in Kullander (1986: 98) with bibliography, diagnosis, description, distribution, and illustrations. Ploeg (1991: 68) claimed that C. johanna is based on more than one specimen, and designated the only specimen found at NMW as lectotype (NMW 16431).

Environment: milieu / climate zone / depth range / distribution range Οικολογία

; Γλυκού νερού βενθοπελαγικό; pH range: 7.0 - ? ; dH range: 20 - ?.   Tropical; 23°C - 26°C (Ref. 2060)

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

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

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 28.3 cm SL αρσενικό/απροσδιόριστο; (Ref. 36377)

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής : Kullander, Sven O. | Συνεργάτες

Kullander, S.O., 1986. Cichlid fishes of the Amazon River drainage of Peru. Department of Vertebrate Zoology, Research Division, Swedish Museum of Natural History, Stockholm, Sweden, 394 p. (Ref. 9088)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 30 November 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FishSource |

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Food consumptions
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Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
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Προφίλ υδατοκαλλιεργειών
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Stamps, coins, misc.
References
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Διαδικτυακές πηγές

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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).
Τροφικό Επίπεδο (Ref. 69278):  3.1   ±0.48 se; based on food items.
Ελαστικότητα (Ref. 120179):  Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (25 of 100).