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Schroederichthys saurisqualus  Soto, 2001

Lizard catshark
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| Native range | All suitable habitat | Year 2100 |
This map was computer-generated and has not yet been reviewed.
Schroederichthys saurisqualus   AquaMaps   Data sources: GBIF OBIS
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Image of Schroederichthys saurisqualus (Lizard catshark)
Schroederichthys saurisqualus
Picture by Bornatowski, H.

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

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Scyliorhinidae (Cat sharks)
Etymology: saurisqualus: Named for its vernacular name, lizard catshark, 'saurus' (= lizard) and 'squalus' (= shark).

Environment / Climate / Range Ecology

Marine; bathydemersal; depth range 122 - 435 m (Ref. 56497).   Deep-water

Size / Weight / Age

Maturity: Lm ?  range ? - 69 cm
Max length : 58.2 cm TL male/unsexed; (Ref. 56497); 69.2 cm TL (female)

Short description Morphology | Morphometrics

Diagnosis: This species is differs from S. tenuis in size at maturity, males 57.8 cm (vs. 42.8) and females 69.2 cm (vs. 37); maximum total length , males 58.8 cm (vs. 46.8) and females 69.2 cm (vs. 42.6); color pattern presence of white spots (vs. none); in having longer interdorsal space, 20.7-22.3% (vs. 17.2-20.6%); longer pelvic-anal space 19.2-20.8% (vs. 14.7-19.4%); dermal denticles morphology, rounded (vs. pointed); and, greater number of vertebrae, 120-123 (vs. 108-113) (Ref. 56497).

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

Southwest Atlantic: southern Brazil.

Biology     Glossary (e.g. epibenthic)

Found in deep-reef habitat on the continental slope, generally in depths greater than 250 meters (122-435 m), with deepwater gorgonians, hard corals, tube sponges, crinoids, ophiuroids, and a great number of sympatric scyliorhinid shark Scyliorhinus haeckelii (Ref. 56497). Oviparous (Ref. 50449); with one egg per oviduct laid at a time. Egg capsule grayish olive (fresh) to brownish (fixed), with filamentous superficial texture (Ref. 56497).

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

Soto, J.M.R., 2001. Schroederichthys saurisqualus sp. nov., (Carcharhiniformes, Scyliorhinidae) a new species of catshark from southern Brazil, with further data on Schroederichthys species. Mare Magnum 1(1):37-50. (Ref. 56497)

IUCN Red List Status (Ref. 90363)

  Vulnerable (VU) (B1ab(iii,v))

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: of no interest
FAO(Publication : search) | FisheriesWiki |

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Internet sources

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

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00324 (0.00152 - 0.00691), b=3.10 (2.92 - 3.28), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.8   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Very Low, minimum population doubling time more than 14 years (Fec = 2).
Vulnerability (Ref. 59153):  Moderate to high vulnerability (53 of 100) .