(print
this sheet out and refer to it during the bottom traverse)
Animal
characteristics |
Vent-specific
species |
Non-vent
species |
Sessile
and
slow colonizers (found only on old lava) |
|
Sponges,
seafans,
stalked crinoids,
soft corals |
Sessile
or slow
moving, but
fast colonizers (found on old and new lava) |
Tubeworms,
scale-worms, palmworms, snails, limpets (vents on new lava
have few species and small tubeworms) |
|
Mobile
and
fast swimmers (these do not tell you anything about the age
of the lava) |
Vent
fish |
Octopuses,
crabs,
sea cucumbers,
brittle stars, rattail fish, fathead sculpins |
|