Page 3 Flashcards
Order Myctophiformes
Photophores numerous on head and body
Small chunky body with large mouths and small teeth
Adipose fin present
Cycloid scales
Premax excludes maxilla from gap (Protrusible)
Euteleosts
Suborder Cyclosquamata
Round scales
Order Aulopiformes
Family Synodontidae - lizard fishes
Order Aulopiformes
Large mouth, numerous small sharp teeth
Pointed snout
Adipose fin
Large p2 in thoracic/abdominal position
Euteleosts
Suborder Stenopterygii
Order Stomiiformes
Family Gonostomatidae - light fishes, bristle mouths
Family Sternoptychidae - marine hatch fishes
Family Stomiidae - barbeled dragon fishes
Order Stomiiformes
Family Gonostomatidae
Body elongate, no fangs small teeth large mouth
Light or dark gray in color
Photophores with lumen or duct grouped in black-silvery bands
D fin set far back over A fin
Order Stomiiformes
Family Sternoptychidae
Body compressed
Large mouth, small teeth, eyes tubular, upward
No scales, D fin projects neural processes forming bony plate
Adipose fin
Ventral photophores
Order Stomiiformes
Family Stomiidae
Anterior jaw, teeth long, fang
Hexagonal pigmented areas on trunk
D fin back and past A fin
Luminous tipped chin barbel
Euteleosts
Osteriophysi
Weberian apparatus (inner ear connected to swim bladder)
Order Cypriniformes
Family Cyprinidae - carps, goldfish, minnows, shiners
Family Catostomidae - suckers
Order Characiformes
Family Characidae - characins, red piranha, pacu, tiger fish
Order Siluriformes
Family Ictaluridae - N. American FW catfishes
Order Gymnotiformes
Family Gymnotidae - new world knife fishes
Order Cypriniformes
Family Cyprinidae
No jaw teeth, upper jaw formed by premax only
Barbels
No true spines only pungent
Weberian apparatus
Lower pharyngeal bones falciform with 1-3 rows of teeth
No adipose fin
Order Cypriniformes
Family Catostomidae
No jaw teeth, no barbel Upper jaw formed by premax and max Mouth protractile and inferior Lips thick and papillose No adipose fin Weberian apparatus Lower pharyngeal bone falciform with 1 row of teeth
Order Characiformes
Lower pharyngeal bones rarely falciform Adipose fin present No barbel, jaws with or without teeth Weberian apparatus Body laterally compressed
Order Siluriformes
8 barbels, 2 nasal, 2 maxillary, 4 chin No scales or opisthotic D and P fins with spine Adipose fin present Weberian apparatus Jaw teeth villi form bands pharyngeal bones separate
Order Gymnotiformes
A long
No p2
Small scales
Weakly electric
Euteleosts
Suborder Scopelmorpha
Order Myctophiformes
Family Myctophidae - lantern fishes
