The Rivulus illuminatus lives in the benthopelagic, freshwater, pH range: 5.9 environment.
Rivulus illuminatus,new species,collected in the floodplain of corrego da Quixada, upper rio parana basin,central Brazil,is described.it differs from all other species of the subgenus Melanorivulus by possessing six pelvicfin rays. More
Rivulus illuminatus is a member of the subgenus Melanorivulus, which was recently erected to include Rivulus species endemic to central and northeastern South America. It can be distinguished from all other members of the subgenus in having 6 pelvic-fin rays. More
Rivulus illuminatus described Costa, WJEM (2007) Rivulus illuminatus, a new killifish from the serra dos Caiap More
The description of Rivulus illuminatus is published by Wilson Costa in the latest issue of the journal Ichthyological Exploration of Freshwaters. More