ABLE ET AL.: CYCLOPTERIDAE 



431 



Fig. 234. Scanning electron micrographs of Lipans liparis egg (A, B, C, Zoologisch Museum Amsterdam 1 14.522. North Sea) and Eumicro- 

 iremus orhis egg (D, E, F) from the study by Matarcse and Borton (in prep.). The depression in A and B is the micropyle. Scale bar equals 200 

 n (A), 19 M (B), 4.9 M (C), 280 m (D). 28 m (E), 3.3 m (F). 



odid crabs; a site which may provide both protection and water 

 circulation. 



Larvae 



In the Cyclopterinae development has only been described 

 for 4 of 7 nominal genera and 4 species (Table 110). Other 

 partial descriptions are for Aptocyclus venlricosus (Kobayashi, 

 1962) and Eumicrotremus spinosus (Ehrenbaum, 1905-1909; 

 Koefoed, 1909). In the Liparidinae, larvae of 3 of 18 nominal 

 genera and 10 species have been described (Table 1 10). Besides 

 those listed, partial descriptions have been published for Car- 

 eproclus georgianus (Efremenko, 1983a), Careproctus falklan- 

 dica and Careproctus sp. (Balbontin et al., 1979) and several 

 Liparis: L. atlanticus (Detwyler. 1963), L./a/>na/ (Ehrenbaum, 

 1905-1909; Koefoed, 1909; Johansen, 1912; Dunbar, 1947), L. 

 fuscensis (Marliave, 1976), L. lipans (Ehrenbaum 1904, 1905- 



1909; Ehrenbaum and Strodtman, 1904; Page, 1918), L. mon- 

 ?a.^/ (Mcintosh and Prince, 1890; Mcintosh and Mastermann, 

 1897; Ehrenbaum and Strodtman, 1904; Ehrenbaum, 1905- 

 1909; Page, 1918; Arbault and Boutin, 1968b), L. /a«aA:ae(Aoy- 

 ama, 1959; Kim etal., 1981), and L. /;/«/<:a/!/5( Johansen, 1912). 



Morphological characters. — CycXoplend larvae typically have 

 flaccid skin enveloping the entire body, a short bulbous head 

 usually without spines, large eyes, and a trilobed lower lip. The 

 sucking disk forms early in development and may be present at 

 hatching in some forms (Fig. 235-238). The preanal length is 

 short and the gut is coiled. Cyclopterines may have both dorsal 

 fins at hatching (Fig. 235B), typically have larger disks at hatch- 

 ing, and usually have more pigmentation at hatching (Pig. 235- 

 238) than liparidine larvae. Some cyclopterine larvae develop 

 dermal spines that become pronounced tubercles in adults (Ueno, 

 1970). In many liparidine larvae the medial surface of the pec- 



