f****r 发帖数: 311 | 1
cuttlefish:
any of various 10-armed marine cephalopod mollusks (order Sepioidea,
especially genus Sepia) differing from the related
squid in having a calcified internal shell
squid:
any of an order (Teuthoidea) of cephalopods having eight short arms and two
usually longer tentacles, a long tapered body, a caudal fin on each side,
and usually a slender internal chitinous support | s**********i 发帖数: 711 | 2
I think squid can also have calcareous internal shell. what distinguishes
cuttlefish is it can throw out dark ink.
【在 f****r 的大作中提到】 : : cuttlefish: : any of various 10-armed marine cephalopod mollusks (order Sepioidea, : especially genus Sepia) differing from the related : squid in having a calcified internal shell : : squid: : any of an order (Teuthoidea) of cephalopods having eight short arms and two : usually longer tentacles, a long tapered body, a caudal fin on each side, : and usually a slender internal chitinous support
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