This is a video of Rivulus cylindraceus mating.
Today, again new fish species.
From Practical Fishkeeping:
New species of killifish describedAlso from Practical Fishkeeping:The new species is named Rivulus giarettai, after the herpetologist Ary Giaretta, who was the first to collect the new species, by Wilson Costa in a recent issue of the journal Ichthyological Exploration of Freshwaters.
Rivulus giarettai is a member of the subgenus Melanorivulus, and is distinguished from all other members of that subgenus in having the males with red pigmentation of the flank arranged in irregular lines to form a vermiculate pattern.
Scientists from the Czech Republic, Russia, Slovakia and Turkey have described a new species of gudgeon from the Volga River drainage in Russia.The new species is named Gobio volgensis (after the Volga River) in a study of the molecular phylogeny of the gudgeons (genus Gobio) by Jan Mendel and co-authors published in the latest issue of the journal Molecular Phylogenetics and Evolution.
