Leptolebias opalescens

Leptolebias opalescens, also known as the opal pearlfish, annual tropical killifish or opalescent pearlfish, is a species of killifish in the family Aplocheilidae^[2] endemic to Brazil.^[3] This species was described as Cynolebias opalescens by George S. Myers in 1942 with the type locality given as the base of the Serra do Petrópolis, near Imbarié in the municipality of Duque de Caxias, Rio de Janeiro.^[4]

Leptolebias opalescens
Conservation status
Critically Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Cyprinodontiformes
Family:	Rivulidae
Genus:	Leptolebias
Species:	L. opalescens
Binomial name
Leptolebias opalescens Myers, 1942
Synonyms[2][3]
Leptopanchax opalescens (Myers, 1942) Cynolebias opalescens Myers, 1942 Cynopoecilus opalescens (Myers, 1942) Cynopoecilus fluminensis Faria & Muller, 1937 Leptolebias fluminensis (Faria & Muller, 1937) Cynolebias nanus da Cruz & Peixoto, 1983 Cynopoecilus nanus (da Cruz & Peixoto, 1983)