erro curtida

ao clicar no botão de curtir, ele esta curtindo todos ao invés de curtir apenas o do botão clicado

import React, { Component,  useState, useEffect} from 'react';

import { 
  View, 
  Text, 
  Image, 
  ScrollView, 
  Dimensions,
  StyleSheet,
  FlatList,
  Platform,
  TouchableOpacity
 } from 'react-native';

 import Cabecalho from './Cabecalho'
 import lerFotos from '../api/Feed'

export default function components() {

  const [fotos, setFotos] = useState([])
  const [likeado, setLikeado] = useState(false)
  const [like, setLikes] = useState(likeado)

  useEffect(() =>{

    lerFotos(setFotos)
  },[])

const getLike = (likeado) => {
  if(likeado > 0 ){
    return require("../assets/s2-checked.png")
  }
  return require("../assets/s2.png")
}

  const curtitFoto = () => {
    // console.warn(fotos)
    let qnt = like
    if (likeado) {
      qnt--
    } else {
      qnt++
    }
    setLikes(qnt)
    setLikeado(!likeado)
  }


  return (
    <View style={styles.container}>
      <FlatList 
        data={fotos}
        keyExtractor={item => String(item.id)}
        renderItem={fotos=>
          <>
            <Cabecalho 
            nomeUsuario={fotos.item.userName}
            urlImagem={fotos.item.userURL}
            />
          <Image source={{uri: fotos.item.url}} style={styles.img} />
          <Text style={styles.description}>{fotos.item.description}</Text>
          <View style={styles.containerLike}>
          <TouchableOpacity onPress={curtitFoto}>
            <Image source={getLike(likeado)} style={styles.like} />
          </TouchableOpacity>
          <Text>curtidas: {like}</Text>
            </View>
          </>
        }
      />

   </View>
  );
}
const margin = Platform.OS === 'ios' ? 40 : 0
const largura = Dimensions.get("screen").width;
const styles = StyleSheet.create({
  img:{
    width: largura, 
    height: largura
  },
  container: {
    marginTop: margin
  },
  like:{
    width: 40,
    height: 40,
    margin: 10
  },
  description:{
    margin: 10
  },
  containerLike:{
    flexDirection: 'row',
    alignItems: 'center'
  }
})