Photocorynus spiniceps, a member of thc Ceratioid angler-fish group, is found in oceanic mid-waters.
The male Photocorynus spiniceps discovered in the Philippines was first reported in the journal Ichthyological Research in 2005. It spends its life fused to its much larger female counterpart, which is many thousands of times greater in weight. While the female takes care of swimming and eating, the male fish, with its enormous (relative to its body size) testes, has almost the sole task of aiding reproduction. In scientific terms, the male P. spiniceps is described as a sexual parasite.
Related category• ZOOLOGY
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