Head-and-taillight tetra (Hemigrammus ocellifer) fish species and information / pictures of Head-and-taillight tetra - Hemigrammus ocellifer

Head-and-taillight tetra (Hemigrammus ocellifer) fish species information

Scientific Name
Hemigrammus ocellifer

Common Name
Head-and-taillight tetra

Biology
Occurs along the coastal zone and prefers water bodies with little current. Lives in groups. Feeds on worms, small insects, crustaceans and plants (Ref. 7020). The males are generally very much smaller and more svelte than the females. It is a very prolific species and its reproduction can easily be carried out in the aquarium (Ref. 12225). With an incubation temperature of 26?C, hatching of the eggs occurs within 48 to 60 hours (Ref. 27188). Maximum length questionable (Ref. 38376). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).

Classification

Classified By
Steindachner, 1882
Class
Ray-finned fishes (Actinopterygii)
Order
Characins (Characiformes)
Family
Characins (Characidae)

Distribution

Region
South America
Distribution
South America: Rivers of Guyana, Suriname, French Guiana, and Amazon basin in Brazil and Peru.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
22 °C
Water Temperature To
26 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; ; pH range: 6.0 - 8.0; dH range: 5 - 19 benthopelagic
Trophic Level
3.1800000667572 s.e. 0.41 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
4.4 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 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 vulnerability (10 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated