Painted comber
A synchronous hermaphrodite sea bass found in the eastern Atlantic and Mediterranean.
The painted comber (Serranus scriba) is a marine ray-finned fish, a type of sea bass belonging to the subfamily Serraninae within the family Serranidae, which also includes groupers and anthias. Its range covers the eastern Atlantic Ocean, the Mediterranean Sea, and the Black Sea. Adding to the confusion, the species has a synonym, *Perca marina*, but that name—when applied as *Sebastes marinus*—has been mistakenly used for a different fish, the rose fish.
This fish has a laterally compressed, elongated body and a pointed snout. Its dorsal fin contains 10 spines and 4 to 16 soft rays, while the anal fin has 3 spines and 7 to 8 soft rays. The caudal fin is truncate. Its mouth is very large for its size, protractile, and filled with many sharp teeth. Body color ranges from grey to purplish or reddish, marked with 5 to 7 dark brown vertical bars. The head features many narrow, wavy blue lines and red blotches. Red dots appear on the dorsal, anal, and caudal fins, and a diffuse purplish-blue blotch sits in the middle of the body. The pelvic and pectoral fins are usually a uniform pale yellow. The largest recorded specimen measured 36 centimeters (14 inches), though 25 centimeters (9.8 inches) is more common.
In the eastern Atlantic, the painted comber’s core range extends from the Straits of Gibraltar to Senegal, including the Canary Islands, though it occurs as far north as the Bay of Biscay. It also lives throughout the Mediterranean and Black Seas. One of the most abundant locations for this fish is Marmaris.
It inhabits rocky bottoms and beds of *Posidonia* seagrass at depths from 5 to 150 meters (16 to 492 feet). During the day, it typically shelters in rocky caves, either alone or in small groups, and emerges at dusk to hunt. A carnivorous, territorial ambush predator, its diet includes cephalopods, bivalves, crustaceans, fishes, and worms. It is often used as an indicator of octopus sites, as it waits near the entrance to scavenge discarded shellfish parts. Spawning occurs from late spring to early summer, with eggs laid under stones near the shore. The species is a synchronous hermaphrodite—each individual possesses both male and female gonads and may be capable of self-fertilization. Maximum life expectancy is 16 years.
Quick Facts
- Taxon
- Serranus scriba
Facts from the source article.
Lore & Background
The painted comber was first formally described by Linnaeus in the 10th Edition of his Systema Naturae published in 1758 as Perca scriba. It has a laterally compressed, elongate body with a pointed snout, a very large mouth for its size with many sharp teeth, and a truncate caudal fin. The overall colour may be grey, purplish or reddish with 5–7 dark brown bars on the flanks, and the head is marked with many narrow, wavy blue lines and red blotches. The dorsal, anal and caudal fins are marked with red dots, and there is a diffuse, purplish-blue blotch in the middle of the body. The pelvic and pectoral fins are normally uniform pale yellow.
The painted comber occurs over rocky bottom and among beds of Posidonia at depths of 5 to 150 metres. It normally spends the day sheltering in rocky caves and is normally either solitary or found in small groups, emerging at dusk to hunt. It is a carnivorous species which is a territorial ambush hunter and has a diet made up of cephalopods, bivalves, crustaceans, fishes, and worms. It is often used to indicate sites occupied by octopuses as it waits at the entrance scavenging the octopus's discarded parts of shellfish. The spawning season runs from late spring to early summer with the eggs being laid under stones near the shore. It is a synchronous hermaphrodite, i.e. each individual has both male and female gonads and may be capable of self-fertilisation.
Reader's Guide
The painted comber is notable for its synchronous hermaphroditism, a reproductive strategy where each individual possesses both male and female gonads and may be capable of self-fertilisation. This trait, combined with its territorial ambush hunting behavior and diet of cephalopods, bivalves, crustaceans, fishes, and worms, makes it an interesting subject for studies of fish biology. Its association with octopus sites, where it scavenges discarded shellfish parts, highlights its ecological role as an opportunistic feeder. The species is also a host to a variety of internal and external parasites, including copepods, an isopod, a monogenean, and two species of digeneans, reflecting its place in the marine food web. In human use, the painted comber is landed by artisanal fisheries using hook and line and trawls, and is said to have palatable flesh that can be prepared using a variety of cooking methods. Its range extends from the Bay of Biscay to Senegal, including the Canary Islands, and into the Mediterranean and Black Seas, with one of the most abundant places being Marmaris. The species' maximum recorded length is 36 cm, though 25 cm is more typical, and it can live up to 16 years.
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