Friday, August 26, 2011

Friday Fish: Hiodon alosoides

The goldeye, one of two species of "mooneyes", family Hiodontidae, endemic but widespread in the freshwaters of central, northern North America. Presumably, there are some near me here in Saskatchewan.

Image from the Smithsonian

Friday, August 12, 2011

Friday Fish: Pegasus volitans

Slender sea moth or sea robin (Pegasus volitans)

A seamoth, family Pegasidae, order Pegasiformes. This is a very small and very strange family; my Fishes of the World, 2nd Edition (Nelson, 1984) describes a single genus, with five species, and only this family in the order. It also describes the family as
"Body oddly shaped (broad and depressed), encased in bony plates; mouth small and toothless, beneath a long flattened rostrum (formed by fused nasals), with an unusual mechanism for protrusion of the jaws...
Image from WildSingapore's flickr page, here.

Friday, August 05, 2011

Friday Fish: Emblemaria hypacanthus

The Gulf Signal-Blenny, a member of the family Chaenopsidae, of the order Perciformes.

Image from the Encyclopedia of Life.