Magnificent Shrimp

Periclimenes magnificus Bruce, 1979

Periclimenes magnificus Bruce, 1979d:195, figs. 1–5, pl. 1: figs. A–C [type locality: Wistari Reef, Capricorn Islands, Queensland, Australia; 26–29 meters].—Cases and Storch, 1981:15.—Bruce and Svoboda, 1984:96.—Fransen. 1989:143, figs. 4b,c, 5e–8. 6i–m. 7i–p.

DIAGNOSIS.—Integument smooth, not pitted, on lateral areas of carapace and abdomen; rostrum not overreaching antennal scale, shallow, slightly arched, rostral formula 1 + 7–8/1–2, posteriormost tooth isolated from remainder of dorsal rostral series, situated posterior to level of hepatic spine; carapace without supraorbital or postorbital spine, hepatic spine larger than antennal spine, arising posteroventral to latter, not extending beyond anterior margin of carapace, orbital angle acutely subovate; abdomen with low, compressed dorsal prominence on 3rd somite, 6th somite about twice as long as 5th; telson with 2 pairs of dorsolateral spines anterior to posterior margin, anterior pair arising at about mid-length; eye with cornea hemispherical, not produced distally; antennular peduncle with 1 dorsolateral spine on basal segment; antennal scale about 2 times as long as wide, lateral margin moderately convex to base of distolateral tooth, latter not nearly reaching level of distal margin of blade; 4th thoracic sternite without slender median process; 1st pereopod overreaching antennal scale by length of fingers, latter not pectinate on opposable margins; 2nd pereopod with fingers as long as palm, carpus as long as palm, 2 times as long as distal width, without distal spines, merus without distal tooth on flexor margin; 3rd pereopod with dactyl not subdistally truncate, without denticulate lobe on flexor margin, biunguiculate, flexor margin concave, propodus with few obscure spinules on flexor margin, not segmented; uropod overreaching extended telson; maximum postorbital carapace length about 6 mm.

RANGE.—Southern Japan, Philippines, Indonesia, and Great Barrier Reef of Australia; 3–29 meters, associated with scleractinian corals and sea anemones.