| Length of different stages and distance between tips of spines as follows: first zoea: 1.3 mm and 1.1 mm; second zoea: 1.6 mm and 1.6 mm; third zoea: 2.0 mm and 2.0 mm; fourth zoea: 2.4 mm and 2.5 mm; fifth zoea: 2.7 mm and 2.5 mm. The development of the zoea is so like that of H. nudus ; appendages differ only in size. Megalopa about four-fifths the size of H. nudus and carapace somewhat narrower in proportion; length about 2.9 mm and carapace
1.5 by 1.1 mm; no plumose setae on smoothly rounded posterior margin of telson; appendages naturally somewhat smaller but in form resemble H. nudus; first maxillipede differs slightly; endopodite smaller in proportion, and endites of protopodite bear longer setae on a more rounded margin; first four pairs of pleopods have 14-17 uropods usually have a soft plumose seta on exopodite. Also Ref. 111904. |