
1) Fish common name 2) Lad seen swimming with fish 3) Launce 4) Schooling fish that burrows
Found on
https://www.crosswordclues.com/clue/sand-eel

Sand eel or sandeel is the common name used for a considerable number of species of fish. Most of them are sea fish of the genera Hyperoplus (greater sand eels), Gymnammodytes or Ammodytes. Many species are found off the western coasts of Europe from Spain to Scotland, and in the Mediterranean and Baltic Seas. The three genera listed above all fal...
Found on
http://en.wikipedia.org/wiki/Sand_eel

The sand-eel or sand-launce (Ammodytidae) is a genus of small, long-bodied bony fish related to the cod family found burrowing in the sand on the coasts of the northern hemisphere. They are characterised by an elongated body which is covered with minute scales; the absence of pelvic fins; the posterior position of the anus; the great width of the g...
Found on
http://www.probertencyclopaedia.com/browse/BS.HTM
No exact match found.