Overview

Brief Summary

Remarks: Needs to be carefully isolated from the mucosa by dissecting the intestine around the proboscis. For morphological studies, worms should be placed in distilled water for about one hour in order to ensure optimal evagination of the proboscis and fixed in AFA. For molecular studies, fix the worms directly in 70% alcohol.
  • BURON I. DE (1988) J. Parasitol. 74: 339-342.

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Comprehensive Description

Color: White, or sometimes yellowish.
  • BURON I. DE (1988) J. Parasitol. 74: 339-342.

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Intestinal parasite of zoarcid fish Thermarces cerberus. No intermediate host was identified but other species from the same family have amphipods for intermediate hosts. Gonochoric with a slight sexual dimorphism. Attaches to intestinal mucosa using the proboscis.
  • BURON I. DE (1988) J. Parasitol. 74: 339-342.

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Distribution

East Pacific Rise: 13°N.
  • BURON I. DE (1988) J. Parasitol. 74: 339-342.

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Physical Description

Morphology

Globular proboscis armed with ~2 rows of 2-3 hooks each. Trunk unarmed. Testis arranged in tandem. Six cement glands. Female genital pore subterminal.
  • BURON I. DE (1988) J. Parasitol. 74: 339-342.

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Size

3.5 to 5 mm long by 0.4 to 0.7 mm wide.
  • BURON I. DE (1988) J. Parasitol. 74: 339-342.

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Ecology

Habitat

Depth range based on 4 specimens in 1 taxon.
Water temperature and chemistry ranges based on 4 samples.

Environmental ranges
  Depth range (m): 2500 - 2632.5
  Temperature range (°C): 1.824 - 2.075
  Nitrate (umol/L): 38.813 - 41.112
  Salinity (PPS): 34.668 - 34.669
  Oxygen (ml/l): 2.461 - 2.537
  Phosphate (umol/l): 2.785 - 2.812
  Silicate (umol/l): 155.611 - 160.712

Graphical representation

Depth range (m): 2500 - 2632.5

Temperature range (°C): 1.824 - 2.075

Nitrate (umol/L): 38.813 - 41.112

Salinity (PPS): 34.668 - 34.669

Oxygen (ml/l): 2.461 - 2.537

Phosphate (umol/l): 2.785 - 2.812

Silicate (umol/l): 155.611 - 160.712
 
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