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Tergipedidae
The family Tergipedidae contains mostly tiny species with patchy distributions. For that reason, many are seldom seen and poorly known even though some of them are among the most colorful aeolids. Most feed on hydroids and store nematocysts in cnidosacs at the tips of their cerata. However, some (particularly in the genus Phestilla) feed on scleractinian corals and do not have cnidosacs. Many species also secrete defensive chemicals from glands in their cerata. This is particularly prominent in Phestilla where it may compensate for the lack of nematocysts. There are about 32 species known from Hawaii in at least five genera (Catriona, Cuthona, Fiona, Phestilla and Tergipes). The family was recently revised to include the family Fionidae. (Gosliner, et. al., 2008) In addition, some authors place most Cuthona spp. in the genus Trinchesia.

Catriona sp. #1

Cuthona diminutiva

Cuthona ornata

Cuthona perca





Cuthona pinnifera

Cuthona poritophages

Cuthona sp. #1

Cuthona sp. #2





Cuthona sp. #4

Cuthona sp. #5

Cuthona sp. #6

Cuthona sp. #7





Cuthona sp. #8

Cuthona sp. #9

Cuthona sp. #10

Cuthona sp. #11





Cuthona sp. #12

Cuthona sp. #13

Cuthona sp. #15

Cuthona sp. #16 (PNH)





Cuthona sp. #18

Cuthona sp. #19

Cuthona sp. #20

Cuthona sp. #21





Cuthona sp. #22

Cuthona sp. #23

Cuthona sp. #24

Fiona pinnata





Phestilla lugubris

Phestilla melanobrachia

Phestilla cf. minor

Tergipes sp. #1
 
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