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Callionymus filamentosus Valenciennes, 1837
BLOTCHFIN DRAGONET
Life   Vertebrata   Fish   Callionymidae   Callionymus


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Following modified from Taiwan Biodiversity National Information Network
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Kingdom Animalia  
 Phylum Chordata  
 Class Actinopterygii  
 Order Perciformes  
 Family Callionymidae  
 Genus Callionymus  
  Callionymus filamentosus    Valenciennes, 1837 
Provider: Kwang-Tsao Shao 
hierarchy tree    download xml    download txt    Chinese Page    
Synonyms: Callionymus filentosus Callionymus stigmapteron Calliurichthys filamentosus   details
Citation: 臺灣魚類誌(沈等, 1993); Fishbase(2006)
Character: Body elongate, depressed. Head extremely depressed. Preopercular spine straight with 4-9 short processes on inner side. Light brown in color with dark spots on sides; fins with dark brown spots; males with black stripes or blotches on 1st dorsal fin, females with black blotch on 3rd membrane. Ventral margin of preopercular spine convex. 
Habitat: Found on sandy and muddy substrate of the coastal area down to a depth of about 100 m. 
Distribution: Distributed in the Indo-West Pacific from Red Sea south to Delagoa Bay, Mozambique and eastward to Taiwan. Migrated to the Mediterranean Sea via the Suez Canal. It is found in southern Taiwanese waters. 
Utility: No commercial value. 
Name Code: 381471
   Marine     
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Following modified from FishBase
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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Callionymus&speciesname=filamentosus ---> https://www.fishbase.in/Summary/speciesSummary.php?genusname=Callionymus&speciesname=filamentosus
https://www.fishbase.in/Summary/speciesSummary.php?genusname=Callionymus&speciesname=filamentosus ---> https://www.fishbase.in/summary/Callionymus-filamentosus.html

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Genus + Species (e.g. Gadus morhua)

Callionymus filamentosus Valenciennes , 1837

Blotchfin dragonet Add your observation in Fish Watcher
Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Callionymus filamentosus   AquaMaps   Data sources: GBIF OBIS
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  • Image of Callionymus filamentosus (Blotchfin dragonet) Callionymus filamentosus
    Picture by Randall, J.E.
  • Image of Callionymus filamentosus (Blotchfin dragonet) Callionymus filamentosus
    Male picture by SFSA
  • Image of Callionymus filamentosus (Blotchfin dragonet) Callionymus filamentosus
    Female picture by SFSA

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

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Callionymidae (Dragonets)
Etymology: Callionymus: Greek, kallion, comparative of kallos = beautiful + Greek, onyma = name; with a better name .  More on author: Valenciennes .

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

Marine; demersal; depth range 2 - 350 m (Ref. 58488 ), usually 5 - 100 m (Ref. 89972 ).   Subtropical; 30°N - 27°S, 32°E - 169°E

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

Indo-West Pacific: Red Sea south to Delagoa Bay, Mozambique and eastward to Taiwan. Migrated to the Mediterranean Sea via the Suez Canal (Ref. 5385 ).

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 20.0 cm TL male/unsexed; (Ref. 4405 )

Short description Morphology | Morphometrics

Dorsal spines (total): 4; Dorsal soft rays (total): 9; Anal spines : 0; Anal soft rays : 9. Light brown in color with dark spots on sides; fins with dark brown spots; males with black stripes or blotches on 1st dorsal fin, females with black blotch on 3rd membrane (Ref. 4405 ). Ventral margin of preopercular spine convex (Ref 42832).

Biology     Glossary (e.g. epibenthic)

Found on sandy and muddy substrate of the coastal area down to a depth of about 100 m (Ref. 5213 ). Minimum depth reported taken from Ref. 4405. Feeds on small benthic invertebrates, mainly crustaceans and worms (Ref. 5968 ). Minimum depth of 2 m reported from Ref. 90102.

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

Main reference Upload your references | References | Coordinator : Fricke, Ronald | Collaborators

Bauchot, M.-L. , 1987. Poissons osseux. p. 891-1421. In W. Fischer, M.L. Bauchot and M. Schneider (eds.) Fiches FAO d'identification pour les besoins de la pêche. (rev. 1). Méditerranée et mer Noire. Zone de pêche 37. Vol. II. Commission des Communautés Européennes and FAO, Rome. (Ref. 3397 )

IUCN Red List Status (Ref. 120744 )

    Not Evaluated  

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

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

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Estimates based on models

Preferred temperature (Ref. 115969 ): 17.9 - 27.9, mean 24 (based on 810 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01148 (0.00668 - 0.01973), b=2.76 (2.61 - 2.91), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.3   ±0.39 se; Based on food items. Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low to moderate vulnerability (26 of 100) .

Entered by Froese, Rainer Modified by Reyes, Rodolfo B. Fish Forum
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