Hargeria rapax
This record describes Hargeria rapax (species). Recorded family: Leptocheliidae. Recorded order: Tanaidacea.
Identification and Appearance
Among southern New England Tanaidacea, males of this species can be distinguished from Leptochelia savigny by the elongate and slender first antennae and the much more slender and elongate carpus and propodus of the chelate first gnathopods. Females differ in the number of joints (five, as opposed to six in L. savigny ) of the inner ramus of the uropods.
Classification
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Class
- Malacostraca
- Order
- Tanaidacea
- Family
- Leptocheliidae
- Genus
- Hargeria
Imported taxonomy record. Source availability varies; see the source references and editorial policy below.
Habitat and Range
Habitat
0-1m depth
Geographic Range
Bay of Fundy to Caribbean, including Gulf of Mexico and Bermuda.
About Tanaidacea: the wider group
Order-level background for Tanaidacea, the group containing Hargeria rapax. Species-specific details appear above.
Group overview
This is a smaller arthropod order with specialized ecological roles. Arthropods are the most diverse animal phylum, comprising over 80% of all known animal species with approximately 1.2 million described species globally.
Ecological role of the group
Members of this order contribute to broader arthropod ecosystem functions including decomposition, predation, and serving as food sources for vertebrates. Arthropod biodiversity is essential for ecosystem resilience.
Economic and practical significance of the group
While this order has limited direct economic impact, arthropods collectively provide ecosystem services worth trillions of dollars annually through pollination, decomposition, pest control, and nutrient cycling.
Recorded sources for this group: General entomology and arthropod research. Imported estimates may describe particular regions or reporting periods.
Photos of Hargeria rapax (3)
Photo credits: Contributed by Aaron Hunt
Frequently Asked Questions About Hargeria rapax
What is Hargeria rapax?
Hargeria rapax is a species in the family Leptocheliidae, within the order Tanaidacea.
How do you identify Hargeria rapax?
Among southern New England Tanaidacea, males of this species can be distinguished from Leptochelia savigny by the elongate and slender first antennae and the much more slender and elongate carpus and propodus of the chelate first gnathopods. Females differ in the number of joints (five, as opposed to six in L. savigny ) of the inner ramus of the uropods.
Where is Hargeria rapax found?
| Feature | Details |
|---|---|
| Habitat | 0-1m depth |
| Range | Bay of Fundy to Caribbean, including Gulf of Mexico and Bermuda. |