Pacific lamprey
E35237
The Pacific lamprey is an ancient, eel-like jawless fish native to the Pacific coast of North America, where it plays a key ecological and cultural role, particularly for Indigenous communities.
Aliases (1)
Statements (80)
| Predicate | Object |
|---|---|
| instanceOf |
anadromous fish
→
species of jawless fish → |
| adultDiet |
blood of marine fishes
→
body fluids of marine fishes → |
| adultFeedingType |
parasitic
→
|
| averageLength |
about 30 to 80 centimeters
→
|
| commonName |
Pacific lamprey
→
|
| conservationStatus |
declining in many river systems
→
|
| culturalSignificanceFor |
Indigenous peoples of the Pacific Northwest
→
Native American tribes along the Columbia River → |
| describedAs |
ancient eel-like jawless fish
→
|
| diesAfterSpawning |
true
→
|
| ecologicalRole |
bioturbator of stream sediments
→
nutrient transporter between ocean and rivers → prey for birds → prey for larger fishes → prey for marine mammals → |
| evolutionaryLineage |
agnathan vertebrate
→
|
| evolutionarySignificance |
represents ancient vertebrate lineage
→
|
| family |
Petromyzontidae
→
|
| foundIn |
Columbia River Basin
→
Klamath River → Sacramento–San Joaquin river system → |
| genus |
Entosphenus
→
|
| harvestMethod |
traditional weirs and dip nets
→
|
| hasColor |
dark bluish to brown dorsally
→
lighter ventrally → |
| hasCommonName |
three-toothed lamprey
→
tridentate lamprey → |
| hasFins |
caudal fin continuous with dorsal fins
→
two dorsal fins → |
| hasGillOpenings |
seven pairs
→
|
| hasLifeStage |
ammocoete larval stage
→
parasitic marine adult stage → spawning adult stage → |
| hasMorphology |
cartilaginous skeleton
→
elongated eel-like body → jawless circular oral disc → seven pairs of gill openings → |
| hasOralDiscFunction |
attaches to host fish
→
|
| hasSensorySystem |
chemosensory abilities
→
well-developed lateral line system → |
| hasTeeth |
keratinous teeth
→
|
| kingdom |
Animalia
→
|
| lacks |
paired pectoral fins
→
paired pelvic fins → true jaws → true scales → |
| larvalFeedingType |
filter feeder
→
|
| larvalHabitat |
soft sediment in freshwater streams
→
|
| lifecycleType |
anadromous
→
|
| managedBy |
U.S. Fish and Wildlife Service
→
tribal natural resource agencies → |
| maximumLength |
over 80 centimeters
→
|
| migratesTo |
ocean
→
|
| nativeTo |
North Pacific Ocean
→
Pacific coast of North America → coastal rivers of Alaska → coastal rivers of British Columbia → coastal rivers of California → coastal rivers of Oregon → coastal rivers of Washington → |
| order |
Petromyzontiformes
→
|
| phylum |
Chordata
→
|
| reproductionType |
oviparous
→
|
| scientificName |
Entosphenus tridentatus
→
|
| semelparous |
true
→
|
| spawningSubstrate |
gravel nests in streams
→
|
| spawnsIn |
freshwater streams
→
|
| subjectOf |
Pacific Lamprey Conservation Initiative
→
|
| taxonRank |
species
→
|
| threatenedBy |
climate change
→
dams and migration barriers → habitat degradation → streamflow alteration → water pollution → |
| usedAs |
ceremonial resource
→
trade item → traditional food source → |
| usesCueForMigration |
pheromones from conspecific larvae
→
|
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
Pacific lamprey
("three-toothed lamprey")
→
|
hasCommonName |
|
Klamath River estuary
→
|
isImportantFor |