Blackspot allotoca (Allotoca maculata) fish species and information / pictures of Blackspot allotoca - Allotoca maculata

Blackspot allotoca (Allotoca maculata) fish species information

Scientific Name
Allotoca maculata

Common Name
Blackspot allotoca

Biology
Dorsal soft rays (total): 13-14; Anal soft rays: 11 - 13. Diagnosis: A small species with dorsal and anal fins set far back on body, but less posterior than in Allotoca dugesi. Predorsal length 64-68%. Dorsal origin slightly ahead of anal origin. Dorsal rays usually 13 or 14. Anal rays usually 11-13. Lateral scales 28-32. Mandibular pores absent. Adult fins dimorphic, longer in males which have dorsal and anal fins rounded and elevated. Deep body and compressed. The coloration is distinctive, fins mostly clear, one or more irregular dark spots on caudal peduncle, females with 3-6 lateral blotches of iridescent blue, males with a lateral series of fine dark spots. Diploid chromosome number 48, no metacentrics (Ref. 35111).

Classification

Classified By
Smith & Miller, 1980
Class
Ray-finned fishes (Actinopterygii)
Order
Live bearers, Killifishes and Rivulines (Cyprinodontiformes)
Family
Splitfins (Goodeidae)

Distribution

Region
North America
Distribution
North America: Jalisco, Mexico.
Range
23°N - 22°N

Environment

Climate
Tropical
Water Temperature From
22 °C
Water Temperature To
26 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; ; pH range: 7.0 - 7.7; dH range: 5 - 20 demersal
Trophic Level
2.16 s.e. 0.11 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
6.5 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low vulnerability (10 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Critically Endangered (CR) (B1+3abc)