Schindleria brevipinguis Watson & Walker, 2004

Stout infantfish
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Schindleria brevipinguis   AquaMaps   Data sources: GBIF OBIS
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Image of Schindleria brevipinguis (Stout infantfish)
Schindleria brevipinguis
Female picture by Australian Museum

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Schindleriidae (Infantfishes)
Etymology: Schindleria: Named for ichthyologist Otto Schindler, 1906-1959 (Prof. Dr. Konrad Schindler, pers. comm Dec. 2017).;  brevipinguis: From the small size of the species ('brevi') and the deeper, broader ('pinguis' = stout) body.

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

Marine; benthopelagic; depth range 15 - 30 m (Ref. 52019).   Subtropical

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

Western Pacific: currently known only from the Lizard Island - Carter reef area of the Great Barrier Reef, Queensland, Australia and from Osprey Reef, nearby the Coral Sea.

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 1 - 0.8 cm
Max length : 0.8 cm SL (female)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 13; Anal soft rays: 10 - 11; Vertebrae: 35 - 36. Body small, stout, unpigmented. Body depth at pectoral-fin origin 9-12% of standard length and at anal-fin origin 9-14% SL. First dorsal-fin ray at myomere 18-20 and first anal-fin ray below dorsal-fin ray 4. Vertebrae 20 + 15-16 = 35-36, myomeres 19-20 + 14-16 = 34-36. Premaxillae and dentaries lack teeth. Males have a rod-like, flexible urogenital papilla lacking lobes, projections, or accessory papillae, with distal half tapering to a blunt point and usually anteriorly directed.

Biology     Glossary (e.g. epibenthic)

Recently reported as the smallest vertebrate. Males average 7.7 millimeters long and the gravid female which is 8.4 millimeters weighed 1 milligram. This pedomorphic species has a life span of only 2 months, has dispensed its fishy appendages such as teeth and scales, and has no pigment except in the eyes (Ref. 52508). Specimens were collected in oblique plankton net tows (Ref. 52019).

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

Adults with mature gonads while retaining postlarval characters (Ref. 205). Distinct pairing (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Watson, W. and H.J. Walker Jr., 2004. The world's smallest vertebrate, Schindleria brevipinguis, a new paedomorphic species in the family Schindleriidae (Perciformes: Gobioidei). Rec. Aust. Mus. 56:139-142. (Ref. 52019)

IUCN Red List Status (Ref. 120744)

  Least Concern (LC) ; Date assessed: 04 February 2009

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





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FAO(Publication : search) | FishSource |

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Internet sources

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

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 26.1 - 27.3, mean 26.3 (based on 14 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5625   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.9   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  Low, minimum population doubling time 4.5 - 14 years (Assuming Fec < 100).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .