Coryphopterus glaucofraenum

FamilyScientific NameAuthorYearCommon Name
GobiidaeCoryphopterus glaucofraenumGill1863Bridled Goby

Coryphopterus glaucofraenum

Unique Characters: Pelvic fins completely united to form a round sucking disc. Dorsal fins separated. Body stout. No chevron markings on sides. Upper pectoral-fin rays broadly united. Tongue sometimes slightly indented but not notched. No lobes on shoulder girdle. Lateral scales, if present, usually < 57.Body mostly covered with scales. Dorsal fin with usually < seven spines. Pores present in lateral line system on head. Lateral scale rows usually 25-26. Body completely covered with scales. Dorsal fins close together. Opercle naked. Caudal fin rounded or truncate. Usually < 28 lateral scale rows. Body nearly transparent; prominent black spot above opercle.

Similar Species:

Sponge Goby
Evermannichthys spongicola

Highfin Goby
Gobionellus oceanicus

Gobionellus oceanicus
Highfin Goby – Gobionellus oceanicus

Sponge Goby Evermannichthys spongicola. Pelvic fins completely united to form a round sucking disc. Dorsal fins separated. Body stout. No chevron markings on sides. Upper pectoral-fin rays broadly united. Tongue sometimes slightly indented but not notched. No lobes on shoulder girdle. Body scales reduced to only caudal area. Dorsal fin with 5-7 spines. Pores present in lateral line system on head, but sometimes difficult to see or missing. Body naked except for three longitudinal rows of ctenoid scales between posterior end of anal fin and caudal fin base. Two dorsal fins widely separated.

Highfin Goby Gobionellus oceanicus. Pelvic fins completely united to form a round sucking disc. Dorsal fins separated. Body stout. No chevron markings on sides. Upper pectoral-fin rays broadly united. Tongue sometimes slightly indented but not notched. No lobes on shoulder girdle. Body mostly covered with scales. Dorsal fin with usually < seven spines. Pores present in lateral line system on head. Body completely covered with scales. Dorsal fins close together. Opercle entirely or partially covered with scales. More than 60 lateral scale rows. Posterior tips of pectoral-fin rays not reaching anus. Eye diameter < one-half upper jaw length. Prominent dark spot on trunk below first dorsal fin.

Goldspot Goby
Gnatholepis thompsoni

Lyre Goby
Evorthodus lyricus

Evorthodus lyricus
Lyre Goby – Evorthodus lyricus

Goldspot Goby Gnatholepis thompsoni. Pelvic fins completely united to form a round sucking disc. Dorsal fins separated. Body stout. No chevron markings on sides. Upper pectoral-fin rays broadly united. Tongue sometimes slightly indented but not notched. No lobes on shoulder girdle. Lateral scales, if present, usually < 57.Body mostly covered with scales. Dorsal fin with usually < seven spines. Pores present in lateral line system on head. Lateral scale rows usually > 29. Body completely covered with scales. Dorsal fins close together. Opercle entirely or partially covered with scales. Fewer than 40 lateral scale rows. Posterior tips of pectoral-fin rays reaching anus. Eye diameter > one-half upper jaw length. No dark trunk spot but shoulder spot present or absent. Prominent shoulder spot (gold in life). Dorsal spines not elongated. Dark subocular bar. No blotches on caudal fin base.

Lyre Goby Evorthodus lyricus. Pelvic fins completely united to form a round sucking disc. Dorsal fins separated. Body stout. No chevron markings on sides. Upper pectoral-fin rays broadly united. Tongue sometimes slightly indented but not notched. No lobes on shoulder girdle. Lateral scales, if present, usually < 57.Body mostly covered with scales. Dorsal fin with usually < seven spines. Pores present in lateral line system on head. Lateral scale rows usually > 29. Body completely covered with scales. Dorsal fins close together. Opercle entirely or partially covered with scales. Fewer than 40 lateral scale rows. Posterior tips of pectoral-fin rays reaching anus. Eye diameter > one-half upper jaw length. No dark trunk spot but shoulder spot present or absent. No shoulder spot. Dorsal spines elongated in mature males. No subocular bar. Two dark blotches on caudal fin base.

Reference: Ross, S.W., and F.C. Rohde. 2004. The gobioid fishes of North Carolina (Pisces: Gobioidei). Bulletin of Marine Science 74:287-323.

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