R-selected species

R-selection

Rabbitfishes

Race

Racehorses or pigfishes

Raceway

Rack

Rackling

Radial

Radial formula

Radiation

Radiograph

Radiometric ageing technique

Radius

Raffles Museum of Biodiversity Research

Raft fishing

Raft trap

Ragfishes

Rains of fishes

Raising

Ram ventilation

Ramification

Ramifying

Ramp-marine bench

Ramus

Ranching

Rancidity

Random Access Memory

Random distribution

Rapacious

Rare

Rarity

Rassenkreis

Raster graphics

Rastrate

Rate of fishing

Rate of natural increase

Ration

Ravine pond

Ray

Rearing

Rearing habitat

Rearing pond

Rebound potential

Recent

Reciprocal translocation

Recombinant DNA technology

Record

Recreational fishery

Recrudescence

Recruit-to-spawner ratio

Recruitment

Recruitment curve

Recruitment overfishing

Recruits

Rectal gland

Rectilinear

Recto

Recurved

Red algae

Red caviar

Red Data Book

Red herring

Red patches on the skin

Red Sea

Red tide

Red velvetfishes

Redd

Redescription

Redfish oil

Redmouth whalefishes

Reduced

Reef

Reef area

Reef edge scarp

Reef hole

Reef islet

Reef limestone platform

Reef net

Reef top

Reef top openings

Reef-associated

Reference

Reference level

Reference point

Referral

Reflection of sound

Reflexed

Refuge

Refugium

Refuse fish

Regime shift

Regulative capacity

Rehabilitation

Reinstate

Reintroduced

Reintroduction

Reject

Rejected name

Rejected work

Relational database

Relational Database Management System

Relationship

Relative abundance

Relative conversion rate

Relative fecundity

Release

Releaser

Releasing stimulus

Relict

Relief

Remnant fecundity

Remoras

Reniform

Rensei-hin

Rent

Repack quality herring

Replacement name

Replacement series

Replacement yield

Representativeness

Reprint

Reproducing

Reproduction

Reproduction curve

Reproductive guild

Reproductive isolation

Reproductive load

Reproductive potential

Reptila

Reptile

Requiem sharks

Reservoir

Resident

Residual fecundity

Resilience

Resolution

Resorption of ova

Resource partitioning

Respiration

Respiratory

Response to selection

Restocking

Restoration

Retailles

Rete mirabile

Retention

Retention curve

Reticulate

Reticulated

Reticulation

Reticulations

Retina

Retinal pigment layer

Retro-

Retrograde

Retroperitoneal space

Retrorse

Reverberation

Reversal

Reversibility

Reynold's number

Rheo-

Rheokinesis

Rheophile

Rheophilic

Rheophilous

Rheophobus

Rheoreceptor

Rheotaxis

Rhipidion

Rhipidocercal

Rhithron

Rhizobenthos

Rhizopoda

Rhodophyta

Rhombencephalon

Rhomboid

Rhomboidal

Rhombomere

Rhyacium

Rhyacophilous

Rhynchichthys

Rib

Ribbonfishes

Ricefishes

Richness

Rictus

Ridge

Riffle

Rift

Rigg

Right bank

Righteye flounders

Rill

Ring net

Ring trawl

Ring valve

Rings

Rio de La Plata

Riparian

Ripe fish

Ripening

Rise

Risk

Rival

River

River basin

River stingrays

Riverain

Riverine

Riving

Rivulated

Rivulet

Rivulines

Roanoke College, Virginia

Robust

Robustness

Rock-hopper trawl

Rocker bone

Rod

Rode kaviaar

Roe

Roe-off

Roll line

Rolled fish

Rollmops

Rolmops

Ronquils

Roosterfishes

Root

Root coating

Root effect

Root lobe

Rooting

Rootwad

Rosary ponds

Roseate

Rosette

Rostral

Rostral cartilage

Rostral fold

Rostral keel

Rostral node

Rostral spine

Rostral teeth

Rostromandibular muscle

Rostronuchal muscles

Rostrum

Rotational fishery

Rotenone

Roter Kaviar

Rotskjaer

Rouelles

Rough fish

Round fish

Round rays

Round weight

Rounded

Rounder

Roundheads

Roused fish

Routine metabolism

Rovers

Row

Royal British Columbia Museum, British Columbia

Royal Ontario Museum, Toronto

Rubric

Rudiment

Rudimentary

Rudimentary ray

Rugae

Rugose

Run

Runnel

Runner

Running ripe

Runoff

Russische Sardinen

Rusting

Rysk kaviar

Røkt hyse

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