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Shark of the week: Blackmouth catshark

Did you know that many oviparous sharks can only lay 2 egg cases at a time (one from each oviduct)? A female blackmouth catshark is able to produce up to 13 eggs at a time (annually up to 100). 242 more words

English

How the shark got her sixth and seventh sense

Sight, smell, hearing, touch and taste. Sharks share all of these senses with us but have also evolved a sixth and seventh sense to meet the challenges of marine life . 771 more words

Biology