Macrobdella spp.
Size: to 10"
Habitat: aquatic
Notes: It's not a nice thought, but there are leeches in our freshwaters, and in marine habitats as well. The species shown is one of the largest and most attractive, if you can say such a thing. It feeds exclusively on vertebrate blood - a good reason to wear a wetsuit, although I've never encountered one. Leeches are actually worms, not insects, but ...
These crabs have the last pair of legs modified into paddles, with which they are remarkably fast and agile sideways swimmers. Apart from this, they retain the walking and burrowing abilities of other crabs. Swimming crabs are bad-tempered creatures that aggressively defend themselves. Large ones can pinch very painfully, so handle with care!
Callinectes sapidus
Profile by Bill Figley
and Ray Townsend
Size:
to 9" across
Range:
Cape Cod to Texas
Habitat:
Bays and estuaries, sometimes found in freshwater, spend their winters in the mud.
More: Swimming Crabs ...
