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Rocio octofasciata (Regan, 1903)

Jack Dempsey
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United States (contiguous states) country information

Common names: Jack Dempsey, Jack Dempsey
Occurrence: introduced
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Welcomme, R.L., 1988
National Database:

Common names from other countries

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Cichliformes (Cichlids, convict blennies) > Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Rocio: Named for the author's wife. In Spanish, the name means morning dew, in allusion to the resplendent spots on cheek and sides of some species, R. gemmata..
  More on author: Regan.

Issue
The generic allocation of this species is still uncertain. It belongs to the tribe Heroini, but is maintained as an incertae sedis species of Cichlasoma pending a revision of heroin cichlids traditionally assigned to the cichlasomatin genus Cich

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

; zoet water benthopelagisch; pH range: 7.0 - 8.0; dH range: 9 - 20.   Tropical; 22°C - 30°C (Ref. 7335); 21°N - 14°N

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

North and Central America: Atlantic slope from southern Mexico (Papaloapán River) to Honduras (Ulua River).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm TL mannelijk / geslacht onbekend; (Ref. 5723); common length : 7.5 cm TL mannelijk / geslacht onbekend; (Ref. 12193)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 17 - 19; Dorsale zachte stralen (totaal): 8-10; Anale stekels 8-9; Anale zachte stralen: 7 - 9. This species has spots on sides smaller than scales, aligned in about 15 regular series (vs. not clearly aligned); abdomen predominantly whitish or greyish in life (similar to R. gemmata, vs. reddish in R. ocotal; ventral angle of articular is acute (vs. right); the first neural spine oriented rostrad (vs. caudad); circumpeduncular scales as few as 17 (vs. always more than 19); distance from the caudal esophageal loop in gut to esophagus always greater than 24% gut length (vs. less than 16%) (Ref. 74403). There are no unique autapomorphies.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Occurs in swampy areas with warm, murky water. Found in weedy, mud-bottomed and sand-bottomed canals and drainage ditches (Ref. 5723). Prefers coastal plains and slow moving waters of the lower river valleys (Ref. 7335). Feeds on worms, crustaceans, insects and fish (Ref. 7020).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Lays eggs on substrate. Parents incubate eggs and guard young.

Hoofdreferentie Upload your references | Referenties | Coördinator : Kullander, Sven O. | Medewerkers

Schmitter-Soto, J.J., 2007. A systematic revision of the genus Archocentrus (Perciformes: Cichlidae), with the description of two new genera and six new species. Zootaxa 1603:1-78. (Ref. 74403)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 24 August 2018

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless




Gebruik door de mens

Visserij: van geen belang; Aquarium: van groot commercieel belang
FAO(Publication : search) | FishSource |

Meer informatie

Lokale namen
Synoniemen
Metabolisme
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Ecotoxicologie
Voortplanting
Maturiteit
Paaien
Fecunditeit
Eieren
Ontwikkeling van de eieren
Leeftijd/Grootte
Groei
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Lengtefrequenties
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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02692 (0.01216 - 0.05956), b=3.04 (2.86 - 3.22), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.5   ±0.51 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Assuming tm<1 and multiple annual spawning; Fec=500-800).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (15 of 100).