Blotch-like marking extending over the dorsal surface in certain fishes. Highly variable in number and form depending on taxon, and often used as an identifying feature.
Glossary: saddle
Glossary: saline
A solution containing dissolved salts.
Glossary: salinity
General term for the salt concentration of water.
Glossary: salt bath
Treatment against various parasites which involves placing a freshwater fish in a solution of saline water with the salt concentration and period of exposure variable depending on the size of the fish and severity of infection. Similar to a salt dip in that parasites are killed via osmotic shock, but of longer duration.
Glossary: sample
In ichthyology, a collection of fishes made from a particular locality or specified area.
Glossary: sand
Fine-grained silicate material commonly used as substrate. Often but not always chemically inert, and can therefore be used as a buffer.
Glossary: saprolegnia
Genus of aquatic fungi, some species of which attack fishes. Normally a secondary pathogen attacking previously damaged tissue and causing cellular necrosis alongside other epidermal damage. Generally visible as a whitish or greyish filamentous fungus and thus commonly referred to as cotton-wool disease.
Glossary: saprophagy
Feeding on dead or decaying organic matter.
Glossary: sarcoophagy
Feeding on flesh.
Glossary: savanna
Type of grassland ecosystem characterised by any trees present being spaced in such a way that they do not form a closed canopy, thus sufficient light reaches the ground to support unbroken herbaceous cover consisting primarily of grasses. Also spelled ‘savannah’.
Glossary: scalation
See squamation.
Glossary: scale
Dermal, plate-like structure covering the body in many fishes.
Glossary: scale count
Count of a given range of scales. Used in taxonomical studies to differentiate and identify taxa.
Glossary: scaly
Covered in or resembling scales.
Glossary: scaphium
A Weberian ossicle.
Glossary: scapula
Paired bone attached to the pterygials, actinosts or radials of the pectoral fin. Articulates ventrally with the coracoid and anteriorly with the cleithrum.
Glossary: scavenger
Animal feeding on dead or decaying organic matter.
Glossary: school
Tightly-aggregated group of fishes, normally of the same species, which tends to orient and move in the same direction; the act of schooling. Often confused with shoal.
Glossary: schooling
Behaviour exhibited by members of a school in which individuals move in a coordinated manner in the same direction.
Glossary: scientific name
Formal binomial or trinomial name of a species used in zoological nomenclature.
Channa andrao – Lal Cheng (Channa sp. Assam, Channa sp. lal cheng)
Hi, the images with fry are included here. Just click on one of the photos to make it bigger, then use the arrows to scroll through until you find the...
26th Nov 2019
Synodontis decorus – Clown Synodontis (Synodontis vittatus, Synodontis decora)
Fixed!
26th Nov 2019
Synodontis angelicus – Polka Dot Synodontis (Synodontis angelica)
Fixed, thanks for the heads up!
26th Nov 2019
Synodontis decorus – Clown Synodontis (Synodontis vittatus, Synodontis decora)
Similar to the Angelicus, this scientific name is off. Its Decorus, not Decora.
6th Nov 2019
Synodontis angelicus – Polka Dot Synodontis (Synodontis angelica)
The scientific name for this fish is incorrect. It is Synodontis angelicUS, not angelicA. Fishbase lists angelica as a common misspelling, and Esch...
6th Nov 2019