Rivulus isthmensis

Genus: Rivulus
Species: isthmensis

Location Pages

• Alto de Ochomogo, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Cano El Jardin Trib., Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Cartago, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Ciudad Quesada, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• El Guayabo, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Guapiles-Siquirras Road, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Horquetas, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• La Gateada, 4 km E, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• La Virgen de Sarapiqui, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Lake Arenal, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Las Vueltas, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Miravalles, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Muelle de Los Bueyes, 19 km NNW, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Paraiso, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Pearl Lagoon, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Puente Palomo, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Puerto Viejo CR 18-3 (1 species) — Country guess: Costa Rica HIGH
• Quebrada Tunawas, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Quebrada Villalobos, Costa Rica (2 species) — Country guess: Costa Rica HIGH
• Rara Avis, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Chiquito Trib., Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Chitaria Trib., Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Cucubres, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Las Vueltas, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Lovaga, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Rio Morin Trib., Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Moravia, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Ocloro, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Puerto Viejo, CR 107, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Reventazon Trib., Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Sabalo, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Rio San Carlos Trib., Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio San Jose, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Santa Cruz Trib., Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Rio Tenorito, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Volcan, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Rio Zapote, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• San Miguel, 2.5 km W, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Santo Tomas, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Siquirras (1 species) — Country guess: Costa Rica HIGH
• Taras, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Tasbapawnie Lagoon, Nicaragua (1 species) — Country guess: Nicaragua HIGH
• Tilaran, 9 km NNE, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Tobosi, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Tucurrique, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Turrialba, 5 km SE, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Ujarras, Rio Caliente, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Upala, 11 km W, Costa Rica (1 species) — Country guess: Costa Rica HIGH
• Watson Creek, Rio Wawa, Nicaragua (1 species) — Country guess: Nicaragua HIGH

Country Guess (from Location Codes)

• Costa Rica HIGH
• Nicaragua HIGH

Links to itrainsfishes.net, a website by Frans Vermeulen

• Species page for Cynodonichthys isthmensis — https://www.itrainsfishes.net/content/cynodonichthys_isthmensis_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 isthmensis — https://www.fishbase.org/summary/49764

IUCN Red List Conservation Status

• Status — IUCN - LC Least Concern (LC)
• Updated — 2019
• IUCN page — https://www.iucnredlist.org/species/53875958/161824539
• Attribution — Lyons, T.J. 2020. Cynodonichthys isthmensis. The IUCN Red List of Threatened Species [Version 2025-2].

Related Articles

• Fishes – List of Known Rivulus – thanks to Richard Sexton.

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