Rivulus scalaris

Location Pages

• Cassilandia, 68 km NW, Brazil (1 species) — Country guess: Brazil HIGH
• Costa Rica, Brazil (1 species) — Country guess: Brazil HIGH
• Ribeirao Grande, Brazil (1 species) — Country guess: Brazil HIGH
• Ribeirao Sao Luiz MS 306, Brazil (1 species) — Country guess: Brazil HIGH
• Rio Taquari Trib., km 421.07 Rerronorte Railway (1 species) — Country guess: Brazil HIGH
• Sucurui, Brazil (1 species) — Country guess: Brazil HIGH

Country Guess (from Location Codes)

• Brazil HIGH
• Costa Rica HIGH

Links to itrainsfishes.net, a website by Frans Vermeulen

• Species page for Melanorivulus scalaris — https://www.itrainsfishes.net/content/melanorivulus_scalaris_001.php

Primary Genus

• Rivulus - https://www.itrainsfishes.net/content/rivulus_introduction_001.php

Related Genera

• Anablepsoides - https://www.itrainsfishes.net/content/anablepsoides_introduction_001.php
• Atlantirivulus - https://www.itrainsfishes.net/content/atlantirivulus_introduction_001.php
• Benirivulus - https://www.itrainsfishes.net/content/benirivulus_introduction_001.php
• Cynodonichthys - https://www.itrainsfishes.net/content/cynodonichthys_introduction_001.php
• Laimosemion - https://www.itrainsfishes.net/content/laimosemion_introduction_001.php
• Melanorivulus - https://www.itrainsfishes.net/content/melanorivulus_introduction_001.php
• Oditichthys - https://www.itrainsfishes.net/content/oditichthys_introduction_001.php
• Owiyeye - https://www.itrainsfishes.net/content/owiyeye_introduction_001.php
• Rivulus Ss - https://www.itrainsfishes.net/content/rivulus_ss_introduction_001.php

Links to fishbase.org species profiles

• FishBase profile for Rivulus scalaris — https://www.fishbase.org/summary/62126

IUCN Red List Conservation Status

• Status — IUCN - EN Endangered
• Updated — 2018
• IUCN page — https://www.iucnredlist.org/species/186545/1814732
• Attribution — Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio). 2023. Melanorivulus scalaris. The IUCN Red List of Threatened Species [Version 2025-2].