I have what Petsmart calls a Dinosaur Eel,
What you have is a Polypterus senegalus and should reach 10-12 inches adult size
Jason the size differs with the different species but usually senegals max out at 10-12inches
heres a list of species and sizes
Species and sizes
maximum known sizes often smaller in captivity
Upper Jaw Species-Upper jaw protrudes past lower jaw
P. palmas palmas ('palmas' bichir)- 13"
(subspecies)P. palmas polli ('marbled bichir)- 14"(there seems to be evidence to promote this to its own species)
(subspecies) P. palmas buettikoferi ('buettikoferi' bichir)- 13"
P. ornatipinnis ('ornate' bichir)- 27"
P. delhezi ('armoured' or 'delhez's' bichir)- 14"
P. senegalus senegalus ('Senegal' or 'Cuiver's' bichir)- 12"
(possible subspecies)P. senegalus meridionalis- 12"+
There is, Also the possibility of a third member of the Polypterus senegalus
group that is found in the Nile River
P. retropinnis retropinnis ('retropinnis' bichir)- 14"
(subspecies)P. retropinnis lowei ('Lowe's' bichir)- 12"
P. weeksi ('week's' bichir)- 20"
P.teugelsi (found only in the Cross river)
E. calabaricus ('Ropefish')- 15"-30" (Closer to 15''-20'' in captivity)
Lower Jaw Species-Lower protrudes past upper jaw
P. endlicheri endlicheri ('saddled' or 'red' bichir)- 32", possibly more
(subspecies)P. endlicheri congicus ('giant' or 'congo' bichir)- 39"
P. Bichir lapradei ('Lapradei' bichir)- 24"
P. bichir bichir-30+ ''
P.ansorgii*
There are a couple of as-yet-undescribed (scientifically) Polypterids
Variations
There are variations of the above including
short bodied:
longfinned:
albinoism:Albino Polypterids have a pink/ white body with red eyes if they are a species with pronounced markings
these are often yellowish in color
leustic:Leustic (platinum) are silver/whitish bodies with black eyes.
.*There are only 3 known examples to exist and they are in museums its possible
this species is extinct.-Anne