ML even blowing up your pic I can't see enough to tell. See what you think with this.





GShad

Morphology Data of Dorosoma cepedianum
Identification keys
Main Ref: Whitehead, P.J.P., 1985
Appearance refers to: Females
Males
Sex attributes:
specialized organs: no special organs
different appearance: males alike females
different colors: males alike females
remarks:
Descriptive characteristics of juvenile and adult Dorosoma cepedianum
Striking features: striking fins
Body shape lateral: fusiform / normal
Cross section: compressed
Dorsal head profile: more or less straight
Type of eyes: more or less normal
Type of mouth/snout: more or less normal
Position of mouth: sub-terminal/inferior
Diagnosis: Body moderately deep; belly with 17 to 20 - 10 to 14 scutes. Mouth small; lower jaw short. Last dorsal fin ray long, about equal to distance from snout tip to mid-pectoral fin or beyond; anal fin long. Scales small, somewhat irregular. A dark spot behind gill opening. Gill rakers fine and numerous (Ref. 188). Branchiostegal rays 6 (Ref. 4639). Silvery to brassy, with a bluish back. Stomach thick-walled, gizzard-like (Ref. 7251).


TShad


Morphology Data of Dorosoma petenense
Identification keys
Main Ref: Whitehead, P.J.P., 1985
Appearance refers to: Females
Males
Sex attributes:
specialized organs: no special organs
different appearance: males alike females
different colors: males alike females
remarks:
Descriptive characteristics of juvenile and adult Dorosoma petenense
Striking features: striking fins
Body shape lateral: fusiform / normal
Cross section: compressed
Dorsal head profile: more or less straight
Type of eyes: more or less normal
Type of mouth/snout: more or less normal
Position of mouth: terminal
Diagnosis: Body moderately deep; belly with 15 to 18 + 8 to 12 scutes. Mouth small. Last dorsal fin ray long, about equal to distance from snout tip to mid-pectoral fin or beyond; anal fin relatively short. Scales relatively large, regularly arranged. A dark spot behind gill opening. Gill rakers fine and numerous (Ref. 188). Body bright silvery, especially on sides, opercles and underparts. Back and upper sides bluish black or dark olivaceous (Ref. 37032).