Originally published as: The Kingfisher illustrated animal encyclopedia Includes index Introduction -- Classification -- Simple animals -- Cnidarians -- Flatworms and roundworms -- Segmented worms -- ...

Pike characins, Acestrorhynchus microlepis, are one of many characid species also referred to as freshwater barracudas.This specimen was collected by Max M. Ellis in 1910 while he led an exploration ...

Characiformes is one of the largest and most diverse orders of freshwater fish, comprising 2,171 recognized species distributed in families such as Parodontidae (scrapetooths), Curimatidae (toothless ...

Adult males of are a deep reddish-orange, while females and juveniles are pale yellow, according to the authors of an article in Journal of Fish Biology describing tetra Hyphessobrycon myrmex.

Download this Set Of Numbers In Rainbow Colors vector illustration now. And search more of iStock's library of royalty-free vector art that features Characins graphics available for quick and easy ...

Characins are unusual in the fish world in that they rely on internal fertilization. For male characins, however, size is beside the point: they do not even have a penetrating organ.

The characins feed on manna from heaven – insects that fall into the water from overhanging plants. On average, half of their diet consists of tree-dwelling ants, but that proportion can vary between ...

The characins living in Trinidad show considerable variation in the shape of male sex ornaments, and the researchers suspected that those differences might have something to do with what they eat.

The characins feed on manna from heaven – insects that fall into the water from overhanging plants. On average, half of their diet consists of tree-dwelling ants, but that proportion can vary ...

Talk about a bait-and-switch. Male representatives of the tropical fish known as swordtail characins have flag-like sex ornaments that catch mates just like the bait on a fishing rod would.

Meso and microhabitat analysis and feeding habits of small nektonic characins (Teleostei: Characiformes) in Neotropical streams. Mônica Ceneviva-Bastos 1; Lilian Casatti; Denise Cerqueira Rossa-Feres.