Palaeacanthocephala |
Echinorhynchida |
Rhadinorhynchidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Host. Subtropical
Northeast Atlantic, Mediterranean and Western Pacific.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 2.0 cm TL male/unsexed; (Ref. 2278); 1.71 cm TL (female)
The proboscis is elongate, slender and cylindrical. Proboscis hooks are large and uniform in size (14-16 rows of 26 hooks each or 22-25 longitudinal rows of 36-40 hooks each) with a row of longer hooks at the base. A few hooks are present on one side of the anterior body. Females are large and orange in color, males smaller and cream-colored.
7.6 cm (TL) Female maximum length from Ref. 359. In many offshore and some inshore fishes (Ref. 429).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Williams, E.H. Jr. and L. Bunkley-Williams 1996 Parasites of offshore big game fishes of Puerto Rico and the Western Atlantic. Puerto Rico Department of Natural and Environment Resources, San Juan, PR, and the University of Puerto Rico, Mayaguez, PR, 382 p. 320 drawings. (Ref. 359)
IUCN Red List Status
(Ref. 130435: Version 2025-1)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
| FishSource |
Tools
More information
Trophic EcologyFood items (preys)
Diet composition
Food consumption
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Abundance
Life cycleReproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
Internet sources
Estimates based on models
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.