Scleromystax salmacis, Map cory

Scleromystax salmacis Britto & Reis, 2005

Map cory
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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Siluriformes (Catfishes) > Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: salmacis: Name from the Greek Salmacis, a nymph who had fallen in love with Hermaphroditus, the son of Hermes and Aphrodite, referring to the species’ very subtle sexual dimorphism when compared to other Scleromystax species; noun in apposition.
Eponymy: Salmacis is a fictional character in Ovid’s: The Fountain of Salmacis. [...] (Ref. 128868), visit book page.
More on authors: Britto & Reis.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal. Subtropical

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

South America: Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL male/unsexed; (Ref. 56919); 5.3 cm SL (female)

Short description Identification keys | Morphology | Morphometrics

This species is distinguished by the following characters: one perforated dorsolateral body plate; ventral keel of scapulocoracoid orientated towards anterior margin of bone, its anterior portion surpassing horizontal through middle of mesial border of scapulocoracoid; preopercular-opercular region similar in males and females, with only minute, scattered odontodes; both sexes with dorsal and pectoral fins equal in length; absence of a black spot on the base of the median caudal fin rays; pectoral-fin rays I,8,i; males with somewhat more slender bodies, 25.7-30.5% in SL (range 26.3-28.8% in type series); transverse blotches along body irregular; deep caudal peduncle, 12.3-15.3% in SL (range 12.6-15.3% in type series); interorbital distance, 29.4-33.7% in HL (range 30.3-33.7% in type series); snout length, 39.9-45.5% in HL (range 39.9-43.6% in type series) (Ref. 56919).
Body shape (shape guide): elongated; Cross section: oval.

Biology     Glossary (e.g. epibenthic)

Obligate air-breathing (Ref. 126274); This species was collected from a small pond, near the arroio Molha Coco, which is surrounded Hollandichthys sp.,by grass and partially shaded by low trees and bamboo shrubs. The water is clear and slow flowing, the bottom formed by rocks covered by a thin layer of mud. This pond is fed by a very small creek and is periodically flooded by the main stream. Associated species collected at the type-locality were Steindachnerina biornata, Mimagoniates rheocharis, Astyanax scabripinnis, Rineloricaria aequalicuspis, Pareiorhaphis nudula, Phalloceros caudimaculatus and Hollandichthys sp. On the other hand, rio Ratones where the non-type specimens were caught, has a sandy bottom, with specimens collected on an open, sand bank (Ref. 56919).

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

Main reference Upload your references | References | Coordinator : Reis, Roberto E. | Collaborators

Britto, M.R. and R.E. Reis, 2005. A new Scleromystax species (Siluriformes: Callichthyidae) from coastal rivers of Southern Brazil. Neotrop. Ichthyol. 3(4):481-488. (Ref. 56919)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))

  Least Concern (LC) ; Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00287 - 0.01912), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.0   ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈