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Setting up your tank

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250L community aquarium

Jack Dempsey (Rocio octofasciata) fish species and information / pictures of Jack Dempsey - Rocio octofasciata

Jack Dempsey (Rocio octofasciata) fish species information

Scientific Name
Rocio octofasciata

Common Name
Jack Dempsey

Biology
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

Classification

Classified By

Regan, 1903

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cichlids (Cichlidae)

Distribution

Region

North and Central America

Distribution

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

Range

21°N - 14°N

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

30 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 7.0 - 8.0; dH range: 9 - 20 benthopelagic

Trophic Level

3.53 s.e. 0.51 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

25.0 cm

Common Length

7.5 cm

Phylogenetic Diversity Index

PD50 = 0.6250 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest; aquarium: highly commercial

Vulnerability

Low to moderate vulnerability (25 of 100)

Resilience

High, minimum population doubling time less than 15 months (Assuming tm

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated