Skip to content. | Skip to navigation

Personal tools
Log in
Sections
You are here: Home Blog Pretty in blue! A new killifish

Pretty in blue! A new killifish

By Leonard Ho - Posted Oct 20, 2017 09:00 AM
Austrolebias pelotape is a newly described seasonal killifish. All known populations of this species are limited to urban areas around the town of Pelotas, Brazil, making this beauty very rare and critically endangered.
Pretty in blue!  A new killifish

Austrolebias pelotape sp. nov

Austrolebias pelotape is most closely related to Austrolebias adloffi and is categorized as part of the A. adloffi group. Like many species within this genus, A. pelotape has prominent vertical bars across the entirety of its body as well as a primary blue pigmentation for males.  Unlike most Austrolebrias (but like A. adloffi), the new species is totally absent of iridescent spots on either its fins or body.

According to the paper published in Vertebrate Zoology:

Distribution  and  habitat: Austrolebias pelotapes is known from temporary pools and swamps associated to small  streams  tributaries  to  the  northern  margin  of  the Canal de São Gonçalo, Patos-Mirim lagoon system, Rio Grande do Sul, Brazil (Fig. 3). In the type locality, water samples revealed the parameters: pH 6.4–6.8, dissolved oxygen 5.7–8.7 mg/l, and water temperature 16.7–25.9°C. Intensive field studies in the last 10 years have shown that all populations of this species are situated within or adjacent to urban areas of the town of Pelotas, in aquatic habitats being drastically reduced, making the species severely  threatened  with extinction.  Given  the  small  area of occurrence and the strong decline of habitats, A. pelotapes should  be  considered  as  a  critically  endangered species.

While captive breeding of Austrolebias sp. killifish has a successful track record, protection of its natural habitat is paramount to prevent them from going extinct in the wild.

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.

Website: http://www.advancedaquarist.com.

Document Actions
Filed under: ,
blog comments powered by Disqus

blog_sm.jpg

Contribute to our blogs!


Do you have news or discussion topics you want to see blogged?  Let us know!

 

ADVANCED AQUARIST