Trichonotus blochii, Bloch's sand diver

Trichonotus blochii Castelnau, 1875

Bloch's sand diver
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Image of Trichonotus blochii (Bloch\
Trichonotus blochii
Male Picture by Endo, H.

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

Teleostei (teleosts) > Gobiiformes (Gobies) > Trichonotidae (Sanddivers)
Etymology: Trichonotus: Greek, thrix = hair + Greek, noton = back (Ref. 45335).
More on author: Castelnau.

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

Marine; benthopelagic. Tropical

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

Eastern Indian Ocean to Western Pacific: northern Australia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 14.3 cm SL male/unsexed; (Ref. 84215)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 43 - 46; Anal spines: 1; Anal soft rays: 39 - 41; Vertebrae: 55. This species is distinct with the following set of characters: D V-VII,43-46; A I,39-41; lateral line scales 57-60; gill rakers 4-6+17-21; vertebrae 55; head length (HL) 18-20% SL; snout length 25-31% HL; infraorbital and supraorbital canals separated anterior to eye; elongated dorsal fin spines in males 4-6; caudal fin in males with 2 black stripes (Ref. 84215).
Body shape (shape guide): elongated; Cross section: circular.

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator | Collaborators

Katayama, E. and H. Endo, 2010. Redescription of a sanddiver, Trichonotus blochii (Actinopterygii: Perciformes: Trichonotidae), with confirmation of Its validity. Species Diversity 2010(15):1-10. (Ref. 84215)

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

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Distribution
Territories
FAO areas
Ecosystems
Occurrences
Introductions
BRUVS - Videos
Anatomy
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Genetics
Genome
Genetics
Heterozygosity
Heritability
Genetic Diversity
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
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Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures
References
References

Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Catch-MSY |

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

Download XML

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 |