Paralabrax nebulifer
Sandy-bottomed and mottled, Barred Sand Bass turn up year-round on California dives from 19 to 26C, most often as a rare but steady find.
Stocky, heavy-bodied fish to about 46cm with a mottled brown, grey and tan pattern that breaks up its outline against sand and rock rubble. Look for the humped back profile, a large mouth, and faint dark bars or blotches down the flanks rather than bold stripes. It sits low and still on the bottom rather than swimming in open water, which is often the first clue you have found one.
Expect to find it parked motionless on sand patches, rubble, or the edges of rocky reef, often blending in well enough that you swim past before noticing it. It tends to hold its ground rather than bolt when a diver approaches, relying on camouflage over flight, though it will move off if pressed too closely. Most logs describe single fish rather than groups, and it is more often noticed by divers scanning the bottom closely than those cruising mid-water.
It spawns in summer aggregations over sand flats and reef edges, when numbers can temporarily concentrate in ways that do not show up in routine dive logs.
Sightings show no clear seasonal pattern, so treat it as a year-round possibility on California dives. Its comfort range of 19.4 to 26C covers most of the diveable season along the coast, which likely explains the lack of a sharp peak month.
Every logged sighting in this dataset comes from California, USA, making it the place to look for this species. Within California it is a consistent, if often overlooked, find on sand and reef-edge dive sites rather than concentrated at one famous spot.
Mapping where Barred Sand Bass is logged…
Sightings in this dataset are concentrated entirely in California, USA, where it turns up on sand and reef-edge dive sites along the coast.
There is no strong seasonal pattern in the sighting data, so it is considered a year-round find in California waters within its 19.4 to 26C comfort range.
Look for a stocky, humped-back fish around 46cm with mottled brown and grey camouflage resting still on sand or rubble rather than swimming in open water.
They typically reach around 46cm in length, making them a solid but not oversized bottom-dwelling fish.
No, they pose no threat to divers and simply rest on the bottom, often allowing a close, careful approach.
They form summer spawning aggregations over open sand and reef edges, briefly gathering in numbers well above their usual solitary, camouflaged habits.
Site and sighting data is aggregated from diver logs, iNaturalist and GBIF. For taxonomy and conservation status:
Blacktip Grouper
2,734 sites
