CO129-538-1 Hong Kong University 31-12-1931 - 6-8-1932 — Page 99

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HENRY W. FOWLER

Depth 11 1/5 to 14; head 74 to 72/5, swollen, 29/10 in trunk; tail slightly shorter than head and trunk. Eye 104 to 12, nearer snout tip than rictus. Mouth cleft 2 to 2 1/5 in head, not closing. Uniform dark purplish brown. Length to 1,300 mm.

Daipo (East Indies, Polynesia", Hawaii*).

UROPTERYGIUS Rüppell,

Uropterygius Rüppell, Neue Wirbelth., Fische, 1838, p. 83. Type Uropterygius concolor Rüppell, monotypic.

Body long to greatly clongate, rounded or somewhat compressed. Eye small, covered with skin. Mouth cleft reaches behind eye, nearly or quite closes.

Maxillary and mandibular teeth in 2 or 3 series, inner row longer and depressible. Vomer with 1 or 2 series of pointed teeth. Front nostril in conspicuous tube. Hind nostril in shorter or longer tube or with rim only. Gill openings small. Dorsal and anal rudimentary, confluent Tail longer to shorter than head and trunk.

with caudal.

Tropical or subtropical eels of coral reefs or near shore. They repre- sent the extremes of the morays in which the fins are vestigial or absent.

Uropterygius marmoratus (Lacépède).

Gymnomuraena marmorata Lacépède, Hist. Nat. Poiss., vol. 5, 1803, pp. 648, 649. New Britain. Martens, Preuss. Exped. Ost Asien, vol. 1, 1875, p. 406 (Shanghai).

!

A Synopsis of the Fishes of China

Uropterygius concolor Rüppell.

Figure 15.

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Uropterygius concolor Rüppell, Neue Wirbelth., Fische, 1835, p. 83, pl. 20, fig. 4. Massaua, Red Sea.

Gymnomuraena concolor Chen, Bull. Biol. Dep. Sun Yat-sen Univ., vol. 1, No. 1, 1829, p.41, fig. 24 (body and dentition) (Hoihow, Ying Khou).

Depth 20 to 33; head 7 to 8 2/5, 2 2/5 to 3 in trunk; head and trunk equal or shorter than tail. Eve 10 to 12 in head. Mouth cleft 23/5 to 32/5. Rudimentary fins near point of tail often yellowish.

Uniform brown. Length 500 mm.

Hoihow, Ying Khou (Red Sea, Mauritius, East Indies, Philippines, Australia, Micronesia*, Polynesia*, Hawaii*).

EVENCHELYS Jordan and Evermann.

Long tailed Fels.

Evenchelys Jordan and Evermann, Proc. U. S. Nat. Mus., vol. 25, September 24, 1902, p. 327. Type Muraena macrurus Bleeker, orthotypic.

W.W.F

HW.F

Figure 15. Uropterygius concolor Rüppell.

Depth 14 to 26; head 7 3/5 to 11, 3 to 4 in trunk; head and trunk 11/5 to 12 in tail. Eye 734 to 18 in head. Mouth cleft 77% to 3 1/10. Yellowish, brownish or brownish gray, lighter below, finely or coarsely marbled with darker. Length over 600 mm.

Shanghai (Zanzibar, Aldabra, India, Andamans, East Indies, Philip- pines, Melanesia, Micronesia*, Polynesia*, Hawaii*).

and mesial row of 4 depressible.

snout.

Front nostrils tubular, placed on top of Hind nostrils on top of head above front eye edge, margin with rim. Gill openings small, oblique slits, edges prominent. Dorsal and anal covered by thick skin, former begins far before gill openings. Tail much longer than head and trunk,

Figure 16. Evenchelys macrurus (Bleeker). symphysis biserial, uniserial on vomer, on premaxillary plate peripheral series Body greatly elongated, slender, slightly compressed. Eye small, covered by skin. Mouth nearly completely closes, reaches far behind eye. Teeth acute, compressed, biserial in maxillaries, uniserial in mandibles, near

The Hong Kong Naturalist.

May 1932.

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