1. Having a narrow range of tolerance to a given environmental factor.
4. A disk of cartilage located in a joint between the surfaces of articulating bones.
9. (Prefix), outside, beyond.
10. In ichthyology, an articulating bone surface, either flat or slightly curved.
11. A fishing net that is dragged behind a boat. A wide range of demersal (bottom) or pelagic (mid- water) species of fish are taken by this fishing method which entails one or a pair of vessels towing a large bag-shaped net either along the seafloor or in mid-water. It has a buoyed head rope and a weighted foot rope to keep the net mouth open.
12. Fishes of the Family Rachycentridae, Order Perciformes (perch-likes). See FishBase for more information on this Family.
13. Area between the eye and the edge of the preopercle bone.
14. 1) Traditional satchel (bag) in which anglers pack their angling gear and catch during fishing, 2)the number and kinds of fishes caught in a day.
15. Outwards, towards the exterior.
2. Moderate climate with long, warm summers and short, cold winters. Can be subdivided into maritime, continental, steppe, and arid. Air temperature may range from -8 to +30°C. Can tolerate minimum water temperatures below 10°C and may have problems with water temperatures above 15°C.
3. Depth zone within which sea-water density changes maximally, also: contour of equal density.
5. Dorsal, pertaining to the back.
6. The substrate underlying the water of the worlds oceans.
7. A heavy rainstorm, excessive runoff, a sudden flood.
8. The tooth-like scale of elasmobranchs; placoid scale of cartilaginous fish; also called dermal denticle.