CATALOGUE 



OK 



FISHES. 



Order I. ACANTHOPTERYGII. 



{CONTINUED. 



Fam. la. GOBIIDiE. 



Gobioidei, pt., Cuv. Regtie Anim. 

 Gobioidei, Mull. Berl. Abhandl. 1844, p. 201. 

 GobiidsB, Owen, Led. Comp. Anat. i. p. 49. 



Body elongate, low, naked or scaly. Teeth generally small, some- 

 times with canines. The infraorbital ring does not articulate with 

 the pneoperculum. The two dorsal fins separated or more or less 

 united*, the sphiov^ portion being always the less developed and cow- 

 posed ofjieocihle spines ; the anal similarly developed as the soft dorsal ; 

 ventrals with one spine and Jive raysf ; sometimes both ventrals united 

 into a disk. Gill-opening more or less narrow, the gill-membranes 

 being attached to the isthmus ; four giUs ; pseudobranchiae. A pro- 

 minent papilla near the ventX- Air-bladder generally absent. Py- 

 l07^ appendages none. 



Carnivorous fishes, living at the bottom of the shores and of the 

 fresh waters of the temperate and tropical regions. This family 

 offers numerous instances of the fact, that a part of the individuals 

 of one and the same species are entirely confined to fresh waters, 

 whilst others Mve in the sea. 



* No spinous portion can be distinguished in Lvciogohitis, a genus but ini 

 perfeeUy Known. 



t Four in Trypauchen, microcephalus and Trypaiichenichthys. 



\ No anal papilla in Asterropteryx. 

 VOL. III. B 



