Moronidae
bass
Dicentrarchus labrax
FISH SPECIES
Mediterranean Fish
Meet selected fish of the Mediterranean Sea, where high salinity, clear waters and narrow continental shelves shape marine communities.
FISH ATLAS / FIELD GUIDEMediterranean FishIN THIS CHAPTER01 / Characteristics02 / Lifestyle03 / Species04 / Field notes
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01 / NATURAL HISTORY
Characteristics
The semi-enclosed Mediterranean Sea is characterized by elevated salinity, oligotrophic (nutrient-poor) clear waters and a high proportion of endemic taxa mixed with Atlantic temperate species and modern Lessepsian migrants from the Red Sea.
- 01High-salinity adaptations
- 02Narrow continental shelves
- 03Subtropical & temperate mix
02 / LIFESTYLE
Lifestyle
Demersal species like striped red mullet probe sandy substrates using articulate paired chin barbels to locate buried infauna; sparids (breams) employ robust molariform dentition to crush hard-shelled mollusks over rocky bottoms; and pelagic sea bass patrol transitional estuarine and coastal surf zones, striking schooling forage fish during dawn and dusk light changes.
OBSERVATION INDEX
- Barbel excavation in sandy plains
- Molariform crushing over rocky reefs
- Surf zone ambush at tidal transitions
03 / SPECIES
Representative species
Discover representative species illustrating the ecological diversity, morphologies and adaptations of this group.
04 / FIELD NOTES
A closer look
Why is the Mediterranean Sea saltier than the Atlantic Ocean?
High evaporation rates under the hot Mediterranean climate, combined with limited freshwater river inflow and a narrow exchange point through the Strait of Gibraltar, create higher salinity levels across the basin.
What are Lessepsian migrants in the Mediterranean?
They are tropical marine species that have entered the eastern Mediterranean from the Red Sea via the man-made Suez Canal since 1869, progressively altering regional community compositions.