Glossary

176 terms beginning with C · showing 81–120

1. cleithral

   Of or relating to the cleithrum.

   Used in 7 profiles

2. cleithral spot

   Variably-sized (depending on species), usually dark marking present in the cleithral area dorsal to the pectoral fin insertion. Normally visible externally in llive specimens.

   Used in 17 profiles

3. cleithrum

   Major bone of the pectoral girdle. Extends upward from the pectoral fin base and forms the rear margin of the branchial cavity. Articulates with the supracleithrum dorsally, the scapula and coracoid ventrally. Also known as proscapulum.

   Used in 4 profiles

4. cloaca

   Common cavity into which the intestinal and urogenital tracts open in many fishes.

   Used in 13 profiles

5. clone

   Specimen descended from and genetically identical to a single common ancestor with natural examples normally resulting from asexual reproductive events. Produced via parthenogenesis in some fishes.

6. clutch

   Used in ichthyology to refer to the number of eggs deposited in a single spawning event, particularly when some form of nest is used.

   Used in 10 profiles

7. Cnidaria

   Phylum of aquatic organisms that includes the corals, jellyfishes, sea anemones, hydrae, etc., and characterised by possession of specialised venomous cells known as cnidocytes. Formerly included in the now-defunct phylum Coelenterata.

8. cnidarian

   Any member of the phylum Cnidaria.

9. coarse

   Rough or harsh in texture.

   Used in 42 profiles

10. coast

    Point or zone at which the land meets the sea or other large water body.

    Used in 75 profiles

11. coastline

    The shape or outline of a coast.

    Used in 31 profiles

12. cobble

    A rock fragment measuring 64-256 millimeters in diameter and usually rounded in shape due to natural causes such as weathering.

    Used in 34 profiles

13. collagen

    The main constituent protein of cartilage, connective tissue, tendon, skin, and bone.

14. columnaris

    Disease symptom resulting from infection by the bacterium Flavobacterium columnare which is ubiquitous in freshwater environments. Often mistaken for a fungal infection due to its appearance and is referred to variously as mouth rot, mouth fungus, fin rot, gill fungus, body fungus, saddleback columnaris, and cotton wool disease. Highly contagious and usually fatal unless treated with antibiotics or other.

    Used in 1 profile

15. commensal

    Of, relating to, characterised by or participating in a symbiotic relationship in which one species gains some benefit while the other is unaffected.

16. commensalism

    A symbiotic association between two organisms in which one gains some benefit while the other is unaffected.

17. common name

    Informal, vernacular name for a fish or other organism. Often varies by language, place or time.

    Used in 104 profiles

18. community

    A group of organisms or populations coexisting and interacting with one another in a given region under relatively similar environmental conditions. The different organisms influence each other's abundance, distribution, and evolutionary adaptation.

    Used in 875 profiles

19. community aquarium

    Any aquarium where the fish and other inhabitants are from varied geographic regions.

    Used in 244 profiles

20. competition

    Simultaneous demand by two or more organisms for a limited resource such as food, light or living space.

    Used in 16 profiles

21. competitor

    An organism living in competition with another.

    Used in 91 profiles

22. compressed

    Laterally-flattened.

    Used in 66 profiles

23. concave

    Curving inwards; hollowed out. Opposite of convex.

    Used in 44 profiles

24. concentric

    Of or denoting circles, arcs, or other shapes which share the same centre, the larger often completely surrounding the smaller.

    Used in 10 profiles

25. conductivity

    Measure of the ability of water to conduct electrical current, most often expressed in microsiemens per centimeter (µS/cm). Often related directly to total dissolved solids and measured using a conductivity meter.

    Used in 78 profiles

26. confer

    See 'cf.'.

27. confluence

    A joining or meeting, especially of rivers and streams; the point at which such rivers and streams meet; the combined watercourse formed by the joining.

    Used in 43 profiles

28. confluent

    Flowing together or merging to form one.

    Used in 11 profiles

29. congener

    An organism belonging to the same genus as another.

    Used in 697 profiles

30. congeneric

    Belonging to the same genus.

    Used in 13 profiles

31. congenital

    Of or relating to a condition that is existent at birth especially those that are non-hereditary and/or abnormal.

32. congruence

    Correspondence in physical structure, thought or classification.

33. congruent

    Corresponding; agreeing.

34. conical teeth

    Cone-shaped teeth present in some fishes.

    Used in 30 profiles

35. conjoin

    To bring together or unite.

36. conjoined

    Brought together or united.

    Used in 3 profiles

37. conservation

    Preservation, protection, or restoration of wildlife and the natural environment.

    Used in 87 profiles

38. conserved name

    A scientific name that has specific nomenclatural protection under the ICZN code, specifically a name that is otherwise unavailable or invalid but has been made available as a valid name by removal of the obstacles blocking its use.

39. conspecific

    Of or belonging to the same species.

    Used in 556 profiles

40. contact organ

    Dermal, bony growth or spicule normally protruding from one or more fin rays or scale margins. Present on parts of the body or fins that come into contact with the female during spawning in males of some fishes.

    Used in 9 profiles