Figure 1. Fire sponges Tedania klausi (A) in the seagrass habitat of Tobacco Caye backreef, Belizean Barrier Reef, Caribbean Sea, and their obligatory associated shrimps, Typton carneus (B–C).

A, in situ habitus of living fire sponges. B, male (left) and ovigerous female (right) pair of T. carneus extracted from the host sponge. C, SEM photograph of T. carneus showing subcylindrical smooth body with reduced and unexposed processes and spines as adaptation to life inside sponge channels, and strong, laterally flattened claws with triangular shearing fingers.