Eoacanthocephala |
Neoechinorhynchida |
Neoechinorhynchidae
Environment: milieu / climate zone / depth range / distribution range
Ecology
Others; brackish. Subtropical
Southeast Atlantic: South Africa.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?  range ? - ? cm Max length : 1.8 cm TRKL male/unsexed; (Ref. 2417); 2.625 cm TRKL (female)
Long, cylindrical trunk with prominent angular antero-dorsal hump clearly marked at posterior boundary of neck. Females with longer trunk length than males. Proboscis large, globular, wider than long, with prominent apical organ and sensory pits; hooks in all circles, with discoid roots; anterior hooks all at same level, longer than middle and posterior hooks. Long neck, wide posteriorly. Triangular brain, situated near posterior end of receptacle.
Adult fish host found near shore beyond surf zone; juveniles and recruits of host found inshore in estuaries. Sexually mature adult worms found in breeding hosts; may suggest that worms are affected by hormones of spawning hosts, as reported in other species of this group parasitic on big fishes in large bodies of water (Ref. 2417).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Amin, O.M. and K.W. Christison. 2005. (Ref. 2417)
IUCN Red List Status
(Ref. 130435: Version 2024-2)
CITES status (Ref. 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
Fisheries: of no interest
| FishSource |
Tools
More information
Trophic EcologyFood items
Diet composition
Food consumption
Food rations
Predators
Population dynamicsGrowth
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycleReproduction
Maturity
Fecundity
Spawning
Eggs
Egg development
Larvae
Larval dynamics
Human RelatedAquaculture profiles
Stamps, coins, misc.
Internet sources
Estimates based on models
Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.