Skip to main content

Auxiliary menu

  • Dewch o hyd i'ch Ymddiriedolaeth leol
  • Newyddion
  • Swyddi
  • Cysylltu a ni

Language

  • English
  • Cymraeg

Follow us

  • Instagram
  • Twitter
Home

Main navigation

  • Amdanom ni
    Robin sat on a watering can

    Jon Hawkins - Surrey Hills Photography

    • Bringing wildlife back
      • On land
      • At sea
    • Empowering people to take action
      • Learning and education
      • Nature for wellbeing
    • Combatting the Climate and Nature Emergency
      • Bees and pollinators
      • Climate solutions
    • Newyddion
    • blogiau
    • Publications
  • Cymryd rhan
    Froglife reptile and amphibian walk; Palacerigg Country Park; morning; overcast with sunny spells and some rain;

    Katrina Martin / 2020VISION

    • Ymunwch
    • Ein hymgyrchoedd
      • Amddiffyn Natur
      • 30 Diwrnod Gwyllt
      • Gweithredu dros Bryfed
      • 30 Erbyn 30
    • Pethau Gewch Chi Wneud Am Newid Hinsawdd
    • Rhoi Pres
    • Cymerwch Gamau I Achub Natur
    • Gwirfoddoli
    • Digwyddiadau
    • Planning and Development in Wales
  • Beth ni'n neud
    Two women kneel in the bluebells beneath a woodland canopy

    Tom Marshall

    • Gwarchod Ein Moroedd
    • Gwarchod Mawn
  • Bywyd Gwyllt
    Puffin on water

    ©Rob Jordan/2020VISION

    • Cynefinoedd
    • Rhywogaethau
    • Webcams
    • Ymweld â Gwarchodfeydd
    • Lle i Weld Bywyd Gwyllt
    • Sut i Adnabod
      • Adnabod Gwenyn
      • Adnabod Tylluanod
      • Adnabod Gwenoliaid Du, Gwenoliaid, Gwenoliaid y Bondo, a Gwenoliaid y Glennydd
      • Adnabod Glöyn Byw
      • Adnabod Slefren Môr
      • Adnabod Nadroedd
      • Adnabod Adar Ysglyfaethus
      • Adnabod Lindys
      • Adnabod Adar yr Ardd
      • Adnabod Gwylanod
      • Adnabod Gwyfynod
      • Adnabod Baw
      • Adnabod Olion Traed
      • Adnabod Cacynen
  • Dod yn aelod
  • Cyfrannu

You are here:

  1. Home
  2. Archwiliwr Bywyd Gwyllt
  3. Marine
  4. Malwod a gwlithod môr

Species

Margaret Holland

Malwod a gwlithod môr

Coryphella browni

Scarlet Lady

Sea slug Polycera faeroensis

Yellow edged polycera

Sea slug Flabellina pedata

Violet sea slug

arctic cowrie

Arctic cowrie

Netted dog whelk

Netted dog whelk

Purple topshell

Purple topshell

Grey sea slug

Sea slug

solar powered sea slug

Solar powered sea slug

Edible Periwinkle

Edible periwinkle

Slipper Limpet

Slipper limpet

Spotted cowrie pair

Spotted cowrie

Dog whelk

Dog whelk

Oyster drill

Oyster drill

Whelk

Whelk

Nudibranch

Noethdagellog

Blue-rayed limpets

Blue-rayed limpet

Painted topshell

Painted topshell

Orange-clubbed sea slug

Orange-clubbed sea slug

Sea hare

Sea hare

Sea lemon

Sea lemon

Keyhole limpet

Keyhole limpet

Chiton (Acanthochitona crinita)

Chitons

Limpets

Llygad maharen

Thick topshell

Thick topshell

Flat periwinkle

Gwichiad y gwymon

Footer decal

Beth rydym yn wneud

  • Achub fywyd gwyllt a lleoedd gwyllt (https://www.wtwales.org/cy/beth-nin-neud/ein-prosiectau)
  • Rhoi llais i natur (https://www.wtwales.org/cy/cy/node/1604)
  • Ymgyrchu dros newid (https://www.wtwales.org/cy/campaigns)

Ymiddiriedolaethau Natur Cymru

  • Amdanom ni (https://www.wtwales.org/cy/amdanom-ni)
  • Cysylltu a ni (https://www.wtwales.org/cy/cysylltu-ni)
  • Polisi Preifatrwydd (https://www.wtwales.org/privacy-policy)

Cymryd rhan

  • Dod yn aelod (https://www.wtwales.org/join)
  • Gweithredwch dros fywyd gwyllt (https://www.wtwales.org/cy/actions)
  • Ymweld (https://www.wtwales.org/cy/node/1620)
  • Ymgyrchu (https://www.wtwales.org/cy/campaigns)
Home

Wildlife Trusts Wales: Protecting Wildlife for the Future. Registered Charity Number: 207238.