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Sicyopus lord  Keith, Marquet & Taillebois, 2011

Lord's Sicyopus
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Sicyopus lord
Male picture by Busson, F.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Gobiidae (Gobies) > Sicydiinae
Etymology: Sicyopus: Greek, sika, sikya = cucumber + Greek, pous = foot (Ref. 45335);  lord: Named for Clara Lord, for her extensive and enthusiastic work on Sicydiinae; noun in apposition.

Environment / Climate / Range Ecology

Freshwater; demersal; amphidromous.   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: endemic to northeastern Madagascar (Ref. 87905).

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.9 cm SL male/unsexed; (Ref. 87905); 4.7 cm SL (female)

Short description Morphology | Morphometrics

A Sicyopus species which is distinguished from all the other species with the following set of characters: (i) a particular colour pattern, being similar in both sexes with three blackish bands present on the flanks: the first band extends from the tip of snout and upper lip, under the eye to the posterior edge of operculum and pectoral base, and from pectoral base to hypural; the second extends from behind the eye to the caudal fin; and the third runs along the upper part of flank from above the pectoral fin to the second dorsal fin base; (ii) a second dorsal fin with nine soft rays; (iii) a shorter caudal fin length in male; (iv) more scales in lateral series (35–43) and transverse back scale series (12–18) (Ref. 87905). Dorsal fins D VI–I, 9, spines slightly filamentous in males and less so in females, spines 3 and 4 longer. First dorsal fin not contacting second dorsal fin basally (when depressed). Anal fin I, 10. Pectoral fin rays 15. Caudal fin with 13 branched rays with posterior margin slightly rounded. Pelvic disc with one spine and five strongly branched rays. Scales in lateral series 35 (35–43); scales may extend midlaterally over the origin of first dorsal fin in male and second dorsal fin in female, and posteriorly to hypural base. Scales usually ctenoid from hypural base to origin of the second dorsal fin and cycloid elsewhere. Scales along dorsum usually extending anteriorly along medial base of second dorsal fin (may extend to base of first dorsal fin). Scales in zigzag series 7 (6–10), transverse back series 13 (12–18), transverse forward series 13 (11–16). Predorsal midline naked. Head, breast and pectoral base usually naked. Belly usually naked or with few cycloid scales. Upper jaw teeth mostly conical in the female with more and shorter teeth (10–15) than male (7–9) (mostly caniniform). Lower jaw teeth conical in female (range 7–9) and males (4–6) (Ref. 87905).

Biology     Glossary (e.g. epibenthic)

Found in clear, high-gradient streams with rocky bottoms; occurs on the bottom of the river, on top of rocks, and often seen swimming in open water in the current between rocks or in large pools; apparently amphidromous like its congeners (Ref. 87905).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Keith, P., G. Marquet and L. Taillebois, 2011. Discovery of the freshwater genus Sicyopus (Teleostei: Gobioidei: Sicydiinae) in Madagascar, with a description of a new species and comments on regional dispersal. J. Nat. Hist. 45(43-44):2725-2746. (Ref. 87905)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries:
FAO(Publication : search) | FisheriesWiki |

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Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5010   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153):  Low vulnerability (12 of 100) .