Ordine |
: |
|||
Classe |
: |
Teleostei |
||
No. of Genera in Ref |
: |
5 |
||
No. of Species in Ref |
: |
18 |
||
Ambiente |
: |
Fresh : No |
Salmastro : Yes |
Marino : Yes |
||
Acquario |
: |
none |
||
First Fossil Record |
: |
middle
Tertiary
lower
Oligocene |
Fonte Biblio.. Berg, L.S. 1958 | |
Commento |
: |
Distribution: Arctic, Indian, Atlantic and Pacific Oceans.
Body elongate with minute cycloid scales. Dorsal and anal fin spines absent. Usually without pelvic fins. Lateral line running along dorsal. Toothless. Dorsal fin long; soft rays usually 40-69. Anal fin rays 14-36. Banchiostegal rays 7. Gill membranes separate. No swim bladder. Vertebrae 52-78. Maximum length 30 cm. |
||
Etymology |
: |
Greek, ammos = sand + Greek dytes = diving. 1607 ( Ref. 45335). |
||
Division |
: |
Marine |
||
Reproductive guild |
: |
nonguarders |
||
Typical activity level |
: |
normal |
||
Fonte Bibliografica Principale |
: |
|||
Coordinatore |
: |