Scientific Name
Ilyodon cortesae

Common Name
Freckled splitfin

Biology
Dorsal soft rays (total): 15-18; Anal soft rays: 11 - 13. 52 to 60 scales in a longitudinal series; jaw with two irregular series of strongly implanted bifid teeth; the pores of the lateral line in the preorbital branch are wide and always in a straight line; the prezygapophyses of caudal peduncle vertebrae are short and do not touch the adjacent postzygapophyses (Ref. 40197).

Classification

Classified By

Paulo-Maya & Trujillo-Jim?nez, 2000

Class

Ray-finned fishes (Actinopterygii)

Order

Live bearers, Killifishes and Rivulines (Cyprinodontiformes)

Family

Splitfins (Goodeidae)

Distribution

Region

North America

Distribution

North America: San Juan Tacambaro river, Michoacan, M?xico.

Range

20°N - 18°N

Environment

Climate

Tropical

Water Temperature From

20 °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

1 m

Zone

pelagic

Environment

Freshwater; ; pH range: 7.5 - 7.5 pelagic; depth range 0 - 1 m (Ref. 40197)

Trophic Level

2.03 s.e. 0.10 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

5.2 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5312 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated