You can sponsor this page

Synagrops japonicus (Döderlein, 1883)

Blackmouth splitfin
Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Synagrops japonicus   AquaMaps   Data sources: GBIF OBIS
Upload your photos and videos
 Pictures | Google image
Image of Synagrops japonicus (Blackmouth splitfin)
Synagrops japonicus
Picture by Reyes, R.B.

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

Teleostei (teleosts) > Acropomatiformes (Oceanic basses) > Synagropidae (Splitfin ocean-basses)
Etymology: Synagrops: Greek, synagris, -idos = a kind of marine fish (Ref. 45335).
More on author: Döderlein.

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

Marine; benthopelagic; depth range 50 - 1000 m (Ref. 112463), usually 100 - 800 m (Ref. 559). Deep-water; 23°N - 36°S, 19°E - 154°W

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

Indo-Pacific: East Africa to Hawaii.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm SL male/unsexed; (Ref. 559); common length : 30.0 cm TL male/unsexed; (Ref. 43448)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 2; Anal soft rays: 7; Vertebrae: 25. Body elongate, compressed, with large cycloid scales. Body uniformly blackish-brown in young, black dorsally, paler ventrally in adults. Distinguished by its anal fin element counts, lack of fin spine with serration on the anterior edge, and 3 to 6 large canine-like teeth on lateral side of the lower jaw.

Biology     Glossary (e.g. epibenthic)

Found on the continental slope (Ref. 7300). Marketed fresh or made into fishmeal (Ref. 3288).

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

Main reference Upload your references | References | Coordinator | Collaborators

Mediodia, D.P., C.-H. Chang, H.-C. Ho, T. Přikryl and C.-H. Lin, 2024. A new cryptic species of splitfin fish from Taiwan with revision of the genus Synagrops (Acropomatiformes: Synagropidae). Zool. Stud. 63[20]:1-16. (Ref. 132082)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Least Concern (LC) ; Date assessed: 11 June 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial
FAO - Fisheries: landings; Publication: search | FishSource | Sea Around Us

More information

Trophic ecology
Food items
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
Countries
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
Genetics
Heterozygosity
Heritability
Human related
Aquaculture systems
Aquaculture profiles
Strains
Ciguatera cases
Stamps, coins, misc.
Outreach
Collaborators
Taxonomy
Common names
Synonyms
Morphology
Morphometrics
Pictures
References
References

Tools

E-book | Field guide | Length-frequency wizard | Life-history tool | Point map | Classification Tree | 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) | Alien/Invasive Species database | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 9.1 - 18.7, mean 12.6 °C (based on 363 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00794 (0.00462 - 0.01365), b=2.94 (2.78 - 3.10), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  4.3   ±0.73 se; based on food items.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Assuming tm=4).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (33 of 100).
Price category (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 19.8 [12.4, 43.7] mg/100g; Iron = 0.382 [0.177, 0.719] mg/100g; Protein = 17.3 [16.3, 18.3] %; Omega3 = 0.45 [0.23, 0.86] g/100g; Selenium = 17.4 [7.8, 37.4] μg/100g; VitaminA = 32.6 [7.8, 141.1] μg/100g; Zinc = 0.384 [0.266, 0.565] mg/100g (wet weight); based on nutrient studies.