Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Eretmodus: Greek, eretmos, -ou = with oars + Greek, odous = teeth (Ref. 45335); marksmithi: The species is named marksmithi for Mark Smith, ardent cichlid fancier and breeder, photographer, and author, who was instrumental in obtaining specimens and photographs of this new species (Ref. 92306).
Eponymy: Mark Smith is an American aquarist who specialises in Rift Valley cichlids. He is also a photographer of aquatic wildlife, an explorer and a writer. Among his books is: Lake Malawi Cichlids (2001). (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic; depth range 0 - 5 m (Ref. 92306). Tropical
Africa: endemic to Lake Tanganyika, occurs in the northern two thirds to three-fourths of the lake (Ref. 92306).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.7 cm SL male/unsexed; (Ref. 92306)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 23 - 25; Dorsal soft rays (total): 3 - 5; Anal spines: 3; Anal soft rays: 7 - 8. Diagnosis: Eretmodus marksmithi is characterized by a subterminal mouth and 7-8 light bars extending the full depth of the body from dorsal fin base to ventral side, the last crossing the caudal peduncle (Ref. 92306). A few light blue dots may be present, mainly on the head (Ref. 92306).
Found in shallow (1-2 m deep), well-oxygenated, clear water of the surge zone; bottom composed of small stones varying from 10-40 cm in diameter; feeds on biocover which is scraped from rocks; small invertebrates (crustaceans, mites, insects, insect larvae) are eaten as well; biparental mouthbrooder (Ref. 92306).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Burgess, W.E., 2012. A new species of goby cichlid of the genus Eretmodus, E. marksmithi, (Pisces: Cichlidae) from the northern part of Lake Tanganyika. Tanganika Mag. 12:23-31. (Ref. 92306)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Aquarium: commercial
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01862 (0.00830 - 0.04177), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
