126 
Fishery Bulletin 111(2) 
Synodus intermedius 
Synodus macrostigmus 
Synodus poeyi lineage 1 
Synodus poeyi lineage 2 
Synodus bondi 
KU34275 
- BLZ7151 
TCI9337 
BAH9029 
BAH 101 80 
TOB9161 
TOB9160 
CUR8386 
BLZ8163 
BLZ8006 
BLZ4330 
BLZ1021 1 
FWRI20548a 
FWRI20548b 
FWRI20596 
FWRI20586b 
FWRI20708 
FWRI20586a 
MOC11014 
MOC11437 
MOC11784 
Synodus foetens 
Trachinocephalus myops 
Synodus saurus 
BAH 10071 
Synodus synodus 
Saurida norma ni 
Saurida suspicio 
FWRI20696a 
FWRI20509 
BAH 10008 
TCI9279 
BLZ4555 
BAH8058 
h TOB9199 
BLZ5094 
TCI9275 
l MOC 11438 
"I MOC 11434 
r FWRI20653a 
t FWRI20653b 
Saurida brasiliensis 
BLZ8393 
L BLZ8398 
FWRI20698 
Saurida caribbaea 
MOC11471 
MOC11159 
MOC11473 
0 02 
Figure t 
Neighbor-joining tree derived from 56 cytochrome c oxidase I sequences, showing genetically distinct 
lineages of Synodontidae in the western Atlantic. Abbreviations for DNA numbers are BAH=Bahamas; 
BLZ=Belize; CUR=Curagao; FCC=Florida Cape Canaveral (specimens were from east coast of Florida); 
FWRI=Florida Fish and Wildlife Research Institute (specimens were from deep waters of the Gulf of Mex- 
ico); FDA=Food and Drug Administration (specimens are from Alabama, collected by the FDA-specimens 
held at National Museum of Natural History, Smithsonian Institution [USNMD; KU=Kansas University 
Fish Collection (specimens are from Belize); MOC =Miguel Oliver Caribbean (specimens are from deep wa- 
ter off Central America); SC= specimens collected off South Carolina; SMS=Smithsonian Marine Station at 
Ft. Pierce, Florida (specimens are from east coast of Florida); TCI=Turks and Caicos; TOB=Tobago. 
146801, 1; UF 146657, 3; UF 152128, 7; UF 154795, 7; 
UF 169896, 1; UF 119194, 2; UF 123425, 2; UF 29799, 
6; UF 147265, 1; UF 147286, 2; Florida (Atlantic): UF 
111202, 5; Georgia: UF 123372, 1; UF 137046, 1; USNM 
315754, 1; South Carolina: USNM 315532, 1; Mexico: 
UF 136960, 2; UF 136965, 1; USNM 18800, 3. 
Diagnosis 
A species of Synodus differentiated from its congeners 
by the following combination of characters: dorsal-fin 
rays 11 or 12 (rarely 11); anal-fin rays 11; total caudal 
rays 41-42; dorsal segmented caudal rays 9; ventral 
