Xyrichtys splendens Castelnau 1855

Diagnosis: The fin-ray count of D-IX,12 A-III,12 and Pect-12 indicates the razorfish genus Xyrichtys. One other regional labrid, Halichoeres cyanocephalus, shares the median-fin ray count, but has 13 pectoral-fin rays and a clearly different body shape. The three Caribbean razorfishes, X. martinicensis, X. novacula, and X. splendens, share fin-ray counts and the larvae can overlap in appearance. The species become distinct as they develop juvenile markings: X. splendens recruits are recognized by a pattern of bars and reticulations and the first two dorsal fin spines are extended. The extended dorsal fin spines persist until juveniles reach about 35 mm SL.

Analogues: Larval Xyrichtys have no melanophores and often markedly-narrowed eyes. The absence of external melanophores is shared with larval Doratonotus megalepis, which are distinctly wider-bodied and have large round eyes. All other regional labrid and scarid larvae have melanophores. X. splendens recruits have a a complex pattern of bars and reticulations and the extended first two dorsal fin spines while X. martinicensis recruits have a lateral stripe from the eye to the tail and no extension of the dorsal fin spines and X. novacula recruits have a lateral stripe that is broken up into discrete patches or spots.

Description: Body thin and long with a markedly narrowed eye (pre-transitional) to large and round (recruits) with a pointed snout and a terminal small mouth. Pectoral fins medium, reach to vent. Pelvic fins stubs. Dorsal and anal-fin bases long, caudal peduncle short. There are no surface or internal melanophores. Transitional recruits show a pattern of bars and reticulations and the first two dorsal-fin spines are extended.

Adults have a vertically elongate blue spot on each scale, the head has alternating vertical lines of pale blue and brownish orange, but these are broader than on X. novacula; adult males are more green in overall color and have a blue-edged inky black spot on midside of body within a pale region of pink or yellow (Ref. 13442).

Most common in shallow, sandy areas in and around seagrass beds. Prefers clear waters (Ref. 9626). Generally of no interest to fisheries because of its small average size (Ref. 5217).

aquarium: commercial

Xyrichtys splendens és una espècie de peix de la família dels làbrids i de l'ordre dels perciformes.

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Xyrichtys splendens Xyrichtys generoko animalia da. Arrainen barruko Labridae familian sailkatzen da.

閃光連鰭唇魚，為輻鰭魚綱鱸形目隆頭魚亞目隆頭魚科的其中一種，分布於西大西洋區，從美國佛羅里達州南部、百慕達群島至巴西海域，棲息深度3-15公尺，本魚在每個鱗片上成魚有一個細長垂直的藍色斑點，雄性成魚在整體的顏色中更綠色而且在一個粉紅色的灰白區域裡面的體側中央或黃色上有一個邊緣藍色的墨水黑色的斑點，體長可達17.5公分，棲息在水質清澈沙底質、海草生長的海域，生活習性不明，可作為觀賞魚。