Re: how to distinguish cuttlefish and squid? - 未名空间MITBBS历史存档

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Re: how to distinguish cuttlefish and squid?

Re: how to distinguish cuttlefish and squid?# EnglishChat - 鸟语花香

f*r2099-08-08 07:08

1 楼

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*i2099-08-08 07:08

2 楼

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