The Marine Fauna of New Zealand: Isopoda, Aegidae (Crustacea)
The Marine Fauna of New Zealand: Isopoda, Aegidae (Crustacea)
The Marine Fauna of New Zealand: Isopoda, Aegidae (Crustacea)
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Aegiochus vigilans (Haswell, 88 ), comb. nov.<br />
(Fig. 9 )<br />
restriCted synonymy:<br />
Aega ommatophylax Stebbing, 905: 2, pls IV, VA.<br />
Aega dubia Richardson, 1910: 12, fig. 2.<br />
Aega (Rhamphion) vigilans.– Bruce, 1993: 762, figs 3, 4 (citations<br />
therein).<br />
Aega giganteoculata Nunomura, 1988a: 19, figs 1, 2 (new<br />
synonymy).<br />
type LoCaLity: Holborn Island, near Port Dennison,<br />
Queensland (Springthorpe & Lowry, 994: 64).<br />
materiaL examined: Manca (7.0 mm), <strong>of</strong>f Great Barrier<br />
Island, North Island, January 2006, old longline gear<br />
at ~500 m, coll. Steve Lowe (NIWA 23779). ♀ (nonovig.<br />
3 mm), <strong>New</strong> Caledonia, 2 °03.680–03.997’S,<br />
60°44.766–44.874’E, 2 October 2005, DW2636, 254–<br />
27 m, coll. B. Richer de Forge (MNH Is.59 0).<br />
Also examined: ♀ (non-ovig. 6.5 mm), northwest<br />
<strong>of</strong> Bluff Point, Geraldton, Western Australia, 27°40’S,<br />
50<br />
3°03’E, 22 March 963, 28 m, CSIRO stn 3 (WAM<br />
2293-86). 4, 93 km west <strong>of</strong> Dongara, Western Australia,<br />
20°07’S, 3°57’E, 9 February 976, 0 m, stn 30<br />
(WAM 2282-86). Paratypes <strong>of</strong> Aega giganteocula, two<br />
lots, heavily dissected (body no longer intact), <strong>of</strong>f Itoman,<br />
Okinawa, Japan, July 985, coll. Hideo Sekiguchi<br />
(TSM Cr7649, Cr7650). , <strong>of</strong>f Singapore, 3 May 95 ,<br />
39 m, coral, Galathea stn 355 (ZMUC unreg).<br />
remarks: A detailed redescription <strong>of</strong> this widely distributed<br />
species was given by Bruce ( 983). As the<br />
sole specimen from <strong>New</strong> <strong>Zealand</strong> waters is a manca, a<br />
detailed redescription is not given, particularly as mature<br />
adult males possess two large forward-projecting<br />
processes on pereonite , and the rostrum is also produced,<br />
giving these animals a striking ‘three-horned’<br />
appearance, abundantly different from all other species<br />
in the genus. Females and immature specimens can<br />
be identified by the huge, black, united eyes filling<br />
the head in dorsal view, the characteristic scalloping<br />
<strong>of</strong> the posterior margin <strong>of</strong> the pleotelson, shape <strong>of</strong> the<br />
Figure 91. Aegiochus vigilans (Haswell, 88 ). From Stebbing ( 905). A, dorsal view; B, head, lateral view; C–E, pereopods ,<br />
2 and 7 respectively; F, pleotelson and uropods, ventral view; G, pleopod ; H, pleopod 2; I, uropod.
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